Relevant bibliographies by topics / Crops processing

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Crops processing'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Crops processing"

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Izmailov, Andrey, Igor Smirnov, Dmitriy Khort, Rostislav Filippov, and Alexey Kutyrev. "Magnetic-pulse processing of seeds of berry crops." Research in Agricultural Engineering 64, No. 4 (2018): 181–86. http://dx.doi.org/10.17221/9/2018-rae.

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The effect of a pulsed low-frequency magnetic field on the seed germination and the growth of seedlings of strawberry garden under different conditions of processing and functioning of the apparatus magnetic-pulse processing of plants (MPP) developed by us has been established experimentally. The research has shown that the value of the germination energy of seeds treated with a pulsed magnetic field varied from 29 to 47 percent, of germination from 34 to 48 percent. The highest value of their germination corresponds to an irradiation frequency of 16 Hz and an exposure time of 360 seconds with an induction value in the treatment zone of 5 mT. The maximum increment in the germination of irradiated seeds was 14 percent compared to the control sample. The positive effect of pulsed electromagnetic fields on linear dimensions of germs has been revealed. The increase in the biometric parameters of strawberry shoots affected their weight, compared to the control it increased by 33.3 percent.
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Hajšlová, J., V. Schulzová, P. Botek, and J. Lojza. "Natural toxins in food crops and their changes during processing." Czech Journal of Food Sciences 22, SI - Chem. Reactions in Foods V (2004): S29—S34. http://dx.doi.org/10.17221/10606-cjfs.

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Many food plant contain specific secondary metabolites which are classified as toxins or antinutrients for humans. In this short review main groups of these bioactive compounds are introduced, potential hazard posed for consumers and related regulatory aspects are mentioned. Substances which are currently of greatest concern are discussed in a greater detail. Phytoestrogens and glucosinolates are shown as compounds that may under certain conditions, exhibit health protecting effects, toxic glycoalkaloids, have been selected as an example<br />of toxins occurring in staple crop, lectins and pyrrolizidine alkaloids represent as toxins responsible for recently documented outbreaks of food poisoning.
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Berezovskyi, Yuriy. "Modern perspective of bast crops processing." Bast and Technical Crops, no. 6(11) (December 1, 2018): 109–23. http://dx.doi.org/10.48096/btc.2018.6(11).109-123.

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In the article the question of finding ways of improving to the processing bast crops is considered. The theoretical questions efficient using of existing to the bast raw materials in the country are processed. The trends of development and competitiveness of the processing sector of light industry are analyzed. In the article the questions of production, finding ways of improving to the volumes production and quality of raw materials for light industry are processed. The present block production diagram of the manufacture flax products in Ukraine for the purpose of development of adequate scenarios of its following development is analyzed.
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BRANTHOME, X. "WEED CONTROL IN PROCESSING TOMATO CROPS." Acta Horticulturae, no. 277 (August 1990): 103–14. http://dx.doi.org/10.17660/actahortic.1990.277.11.

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Lloyd-Evans, L. P. M. "Designer oil crops: Breeding, processing and biotechnology." Trends in Food Science & Technology 5, no. 6 (1994): 208–9. http://dx.doi.org/10.1016/0924-2244(94)90111-2.

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Вершинина, Oksana Vershinina, Васин, and Vasiliy Vasin. "THE PRODUCTIVITY OF PEAS BY GROWTH STIMULATORS FERTIGRAIN APPLICATION." Bulletin Samara State Agricultural Academy 1, no. 3 (2016): 3–10. http://dx.doi.org/10.12737/20326.

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The purpose of research is the development of peas productivity increasing ways in the conditions of Middle Volga forest steppe. Results of researches during 2013-2015 with an assessment of photosynthetic activity indexes, structure of harvest, productivity and fodder advantages of peas by different methods of crops preseeding processing and are given by biogrowth factors Noktin and Fertigrain. The largest square of leaves 45.0-47.4 thousand sq.m/ha is formed in a phase of blossoming peas on options at an inoculation of seeds by Rizotorfin and Rizotorfin + Fertigrain Start with after-treatment of crops with biostimulator Fertigrain Foliar in a phase of 4-6 leaves. Photosynthetic potential of crops for vegetation was made without processing of seeds and crops on vegetation of 1.275 million sq.m/ha in a days, when processing seeds preparations Fertigrain Start it raises to 1.305 million sq.m/ha in a days. Net productivity of a photosynthesis reaches maximum in options with processing of seeds Noktin + Fertigrain Start and Rizotorfin + Fertigrain Start and processing of crops on vegetation with an index 4.00-4.09 g/m2 days. The conducted researches showed that all options of processings of seeds and crops increase the efficiency of peas. The greatest productivity of peas 2.04 t/ha and 2.12 t/ha is reached on the crops processed with preparation Fertigrain Foliar in budding phase against processing of seeds preparations Rizotorfin + Fertigrain Start and Noktin + Fertigrain Start. These options differ also in the best fodder advantages with collecting nonvolatile solid 1.82-1.90 t/ha, the feed protein units 2.32-2.41 thousand/ha and an exit of an exchange energy 23.35 - 24.27 GDzh/ha. Results of the conducted researches Noktin and Fertigrain allow todraw the conclusion for application effectiveness of preseeding inoculation of seeds and processing of crops vegetation by preparations.
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Hartz, T. K., P. R. Johnstone, E. M. Miyao, and R. M. Davis. "Mustard Cover Crops Are Ineffective in Suppressing Soilborne Disease or Improving Processing Tomato Yield." HortScience 40, no. 7 (2005): 2016–19. http://dx.doi.org/10.21273/hortsci.40.7.2016.

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Mustard (Brassica spp.) cover crop residue has been reported to have significant `biofumigant' action when incorporated into soil, potentially providing disease suppression and yield improvement for the succeeding crop. The effects of growing over-winter mustard cover crops preceding processing tomato (Lycopersicon escultentum Mill.) production were investigated in six field trials in the Sacramento Valley of California from 2002–04. A selection of mustard cover crops were compared to a legume cover crop mix, a fallow-bed treatment (the current grower practice in the region), and in two of the six trials, fumigation treatments using metam sodium. Mustard cover crops removed 115 to 350 kg·ha–1 N from the soil profile, reducing NO3-N leaching potential. Soil populations of Verticillium dahliae Kleb. and Fusarium spp. were unaffected by the cover crops, and there was no evidence of soilborne disease suppression on subsequent tomato crops. Mustard cover crops increased tomato yield in one field, and reduced yield in two fields. In one of two fields, metam sodium fumigation significantly increased tomato yield. We conclude that, while environmental benefits may be achieved, mustard cover cropping offers no immediate agronomic benefit for processing tomato production.
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Saidmuratov, U. A. "Optimization Of Heat And Mass Exchange Processes In Processing A Cell Of Oil Crops." American Journal of Applied Sciences 02, no. 10 (2020): 122–32. http://dx.doi.org/10.37547/tajas/volume02issue10-18.

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One of the promising areas in the technology of oilseed processing is electro physical processing methods. The use of electrophysical processing methods dramatically accelerates the flow of processes, increases labor productivity, reduces the need for production facilities, and in some cases reduces energy consumption. Based on the foregoing, it is possible to formulate the main goal of studying the process of heat treatment of cotton seed mint in a two-phase flow: to identify rational conditions for the process, to outline rational ways for effective structural design of the apparatus for heat treatment of cotton seed mint. Achieving this goal should ensure a reduction in the energy and material consumption of the process, an increase in the yield of black oil, an improvement in the quality indicators of the final products and working conditions of the staff. The analysis of technological processes occurring in a single biological cell of peppermint of cotton seeds is important, among other things, because it allows us to outline ways of choosing and synthesizing optimal process parameters, and to develop highly efficient plants. However, the solution to the problems of optimization of continuous heat and mass transfer (HMT) processes occurring in apparatuses or installations as a whole as L-optimization is labor intensive, since when considering complex HMT systems, the number of optimizing factors increases. In the systems under consideration, the number of main factors exceeds 20, even if they vary at two levels, more alternative options are required for optimization. The functional decomposition of optimization problems was carried out based on the hierarchical structure of the HMT systems, in which the hydrodynamic structure of the interacting flows is considered as the main central subsystem-processes, which are subsequently divided into more than elementary heat and mass transfer (HMT) processes. Optimization of the lower levels of technological plants for the implementation of solid-state processes is considered for IR - roasting in a solvent medium (IR-LCMSR).
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González, Fabio Alfonso, John Jairo Gómez, and Daniel Fermando Amaya. "Multispectral image processing in coffee and cocoa crops." Revista CINTEX 22, no. 2 (2017): 51–67. http://dx.doi.org/10.33131/24222208.294.

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There is an algorithm presented that uses multispectral images as a result of the processing of images and the MATLAB software. These multispectral images could be applied to cacao and coffee crops, which are not only the most representative type of the region of Santander but also the ones with most economic growth in the last two decades. The strategy of deploying these images also helps to demarcate the dry lands from the better-hydrated ones, which is crucial to develop Precision Farming since it makes it more productive, with fewer losses and with better benefits. The graphical user interface (GUI) was developed in order to facilitate the interaction between the software and the user. On this graphical interface, it is possible to identify the varied applications that could be run and recognized. It is worth mentioning that this process has several stages. It begins from the analysis of a satellite image database, which establishes the characteristics and condition of the crops; from it, it is possible to obtain a more accurate and detailed radiogram that illustrates the reality of each crop.
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Johnstone, P. R., T. K. Hartz, E. M. Miyao, and R. M. Davis. "Biofumigation and Soil Conditioning Effects of Cover Crops in Processing Tomato." HortScience 40, no. 4 (2005): 1111B—1111. http://dx.doi.org/10.21273/hortsci.40.4.1111b.

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Mustard cover crop residue has been reported to have a “biofumigant” action when incorporated into the soil, potentially providing significant disease suppression and yield improvement for the succeeding crop. Such activity could be particularly useful in processing tomato rotations, where consecutive cropping invariably results in yield decline. Agronomic and environmental effects of growing over-winter mustard cover crops preceding tomato production were investigated in three field trials between 2002 and 2004. Two mustard cover crops [`Pacific Gold', a brown mustard (Brassica juncea), and `Caliente', a blend of brown and white mustard (Sinapis alba)] were compared to a legume cover crop mix, a fallow bed treatment (the standard grower practice in this region), and, in two of the three trials, a fumigation treatment using metam sodium. No suppression of soil populations of Verticillium dahliae or Fusarium spp. was observed with the mustard cover crops, nor was there any visual evidence of disease suppression on subsequent tomato crops. In these fields, the mustard either had no effect, or reduced tomato yield, when compared to the fallow treatment. At one of two sites, metam sodium fumigation significantly increased tomato yield. The presence of a cover crop, whether mustard or legume, reduced winter runoff by an average of 50% over two years of trials. No benefit of mustard cover cropping beyond this reduction in winter runoff was observed.
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Dissertations / Theses on the topic "Crops processing"

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Vieira, Carlos Antonio Oliveira. "Accuracy of remotely sensing classification of agricultural crops : a comparative study." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367818.

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Paulrud, Susanne. "Upgraded biofuels-effects of quality on processing, handling characteristics, combustion and ash melting /." Umeå : Unit of Biomass Technology and Chemistry, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/a449.pdf.

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Carbajal, Jhony, Grimaldo Quispe, Heyul Chavez-Arias, Carlos Raymundo-Ibanez, and Francisco Dominguez. "Mobile Robot for the Spraying of Corn Crops with autonomous navigation camera for the Plains of the Andes." Institute of Electrical and Electronics Engineers Inc, 2019. http://hdl.handle.net/10757/656305.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.
The incidence of the disease in horticultural crops is one of the important problems that affect the production of fruits, vegetables and flowers. Regular monitoring of crops for early diagnosis and treatment with pesticides or removal of the affected crop is part of the solution to minimize crop loss. The monitoring of crops by human labor is expensive, time consuming, prone to errors due to insufficient knowledge of the disease and highly repetitive at different stages of crop growth. These needs have motivated to design the mobile robot with vision sensors for navigation through the field. The robot has been designed in the Autodesk Inventor software. Programming for navigation is done in the Arduino Mega 2560 tool. Image capture has been performed using the RGB camera. Image processing for the identification of the disease and its representation in a graphical user interface has been performed using an algorithm in MATLAB R2018B that interacts with the Arduino tool through a communication bus. The system developed consists of the design of a prototype that uses simple and cost effective equipment such as Raspberry Pi, RGB camera, two motors and sensors that allow the autonomous fumigation of corn crops.
Revisión por pares
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Fernández, Gallego José Armando. "Image processing techniques for plant phenotyping using RGB and thermal imagery = Técnicas de procesamiento de imágenes RGB y térmicas como herramienta para fenotipado de cultivos." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/669111.

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World cereal stocks need to increase in order to meet growing demands. Currently, maize, rice, wheat, are the main crops worldwide, while other cereals such as barley, sorghum, oat or different millets are also well placed in the top list. Crop productivity is affected directly by climate change factors such as heat, drought, floods or storms. Researchers agree that global climate change is having a major impact on crop productivity. In that way, several studies have been focused on climate change scenarios and more specifically abiotic stresses in cereals. For instance, in the case of heat stress, high temperatures between anthesis to grain filling can decrease grain yield. In order to deal with the climate change and future environmental scenarios, plant breeding is one of the main alternatives breeding is even considered to contribute to the larger component of yield growth compared to management. Plant breeding programs are focused on identifying genotypes with high yields and quality to act as a parentals and further the best individuals among the segregating population thus develop new varieties of plants. Breeders use the phenotypic data, plant and crop performance, and genetic information to improve the yield by selection (GxE, with G and E indicating genetic and environmental factors). More factors must be taken into account to increase the yield, such as, for instance, the education of farmers, economic incentives and the use of new technologies (GxExM, with M indicating management). Plant phenotyping is related with the observable (or measurable) characteristics of the plant while the crop growing as well as the association between the plant genetic background and its response to the environment (GxE). In traditional phenotyping the measurements are collated manually, which is tedious, time consuming and prone to subjective errors. Nowadays the technology is involved in many applications. From the point of view of plan phenotyping, technology has been incorporated as a tool. The use of image processing techniques integrating sensors and algorithm processes, is therefore, an alternative to asses automatically (or semi-automatically) these traits. Images have become a useful tool for plant phenotyping because most frequently data from the sensors are processed and analyzed as an image in two (2D) or three (3D) dimensions. An image is the arrangement of pixels in a regular Cartesian coordinates as a matrix, each pixel has a numerical value into the matrix which represents the number of photons captured by the sensor within the exposition time. Therefore, an image is the optical representation of the object illuminated by a radiating source. The main characteristics of images can be defined by the sensor spectral and spatial properties, with the spatial properties of the resulting image also heavily dependent on the sensor platform (which determines the distance from the target object).
Las existencias mundiales de cereales deben aumentar para satisfacer la creciente demanda. Actualmente, el maíz, el arroz y el trigo son los principales cultivos a nivel mundial, otros cereales como la cebada, el sorgo y la avena están también bien ubicados en la lista. La productividad de los cultivos se ve afectada directamente por factores del cambio climático como el calor, la sequía, las inundaciones o las tormentas. Los investigadores coinciden en que el cambio climático global está teniendo un gran impacto en la productividad de los cultivos. Es por esto que muchos estudios se han centrado en escenarios de cambio climático y más específicamente en estrés abiótico. Por ejemplo, en el caso de estrés por calor, las altas temperaturas entre antesis y llenado de grano pueden disminuir el rendimiento del grano. Para hacer frente al cambio climático y escenarios ambientales futuros, el mejoramiento de plantas es una de las principales alternativas; incluso se considera que las técnicas de mejoramiento contribuyen en mayor medida al aumento del rendimiento que el manejo del cultivo. Los programas de mejora se centran en identificar genotipos con altos rendimientos y calidad para actuar como progenitores y promover los mejores individuos para desarrollar nuevas variedades de plantas. Los mejoradores utilizan los datos fenotípicos, el desempeño de las plantas y los cultivos, y la información genética para mejorar el rendimiento mediante selección (GxE, donde G y E indican factores genéticos y ambientales). El fenotipado plantas está relacionado con las características observables (o medibles) de la planta mientras crece el cultivo, así como con la asociación entre el fondo genético de la planta y su respuesta al medio ambiente (GxE). En el fenotipado tradicional, las mediciones se clasifican manualmente, lo cual es tedioso, consume mucho tiempo y es propenso a errores subjetivos. Sin embargo, hoy en día la tecnología está involucrada en muchas aplicaciones. Desde el punto de vista del fenotipado de plantas, la tecnología se ha incorporado como una herramienta. El uso de técnicas de procesamiento de imágenes que integran sensores y algoritmos son por lo tanto una alternativa para evaluar automáticamente (o semiautomáticamente) estas características.
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Keicher, Rainer. "Bestandesorientierte automatische Nachführung landwirtschaftlicher Arbeitsmaschinen in Reihenkulturen mit Hilfe der digitalen Bildverarbeitung Stand oriented automatic guidance for agricultural vehicles in row crops using digital image processing /." [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=964339137.

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Segarra, Eduardo. "A dynamic analysis of the crop productivity impacts of soil erosion: an application to the Piedmont area of Virginia." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/51930.

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This study was born out of the desire to analyze the complex soil management problem faced by individual economic agents as well as society. The focus of this study, however, was on the theoretical formulation and estimation of partial equilibrium dynamic economic models directed toward optimizing the private use of the soil resource. In particular, four empirical representative farm models were formulated. Solutions to the four representative farm models showed that sizable reductions in topsoil loss, which contributes to non-point source pollution, and aggravates the crop productivity impacts of soil erosion, can be accomplished by adopting alternative support practices. Because of the change in support practices, reductions in the present value of net returns are expected, but this decrease in return was found to be minimal when compared to reductions in topsoil loss. Policy implications as well as several policy recommendations stemming from those results, with respect to soil conservation, are outlined and analyzed.
Ph. D.
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Arraes, Christiano Luna 1975. "Identificação de áreas, discriminação e estimativa de produção de culturas de verão por meio de produtos MODIS = Identification of areas, discrimination and estimated production of summer crops by MODIS products." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257507.

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Orientadores: Rubens Augusto Camargo Lamparelli, Jansle Vieira Rocha
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola
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Resumo: Técnicas de sensoriamento remoto são úteis na determinação de áreas cultivadas, principalmente das commodities soja [Glycine max (L.) Merr.] e milho (Zea mays L.). Considerando que a Temperatura de Superfície Terrestre (TST) e o índice vegetativo Normalized Difference Vegetation Index (NDVI) podem auxiliar nas estimativas da produção destas culturas, o presente trabalho objetivou correlacionar os valores dessas variáveis e a produção das culturas de verão para uma série histórica de 11 anos, em microrregiões do Estado do Paraná. As máscaras de cultura de verão foram avaliadas por índice Kappa e exatidão global, encontrando valor médio superior a 0,68 e 84%, respectivamente. Ao avaliar a metodologia de geração de máscaras de cultura de verão utilizando equações polinomiais de segunda ordem com ajustes de R2 superior a 0,75, se obtêm Kappa igual a 0,86 e exatidão global de 93%, sendo ligeiramente superior aos resultados encontrados quando se utiliza a técnica de máximo-mínimo NDVI. Ao tentar diferenciar a soja do milho utilizando imagens orbitais os resultados mostram que em áreas com declividade acentuada não é possível separá-las, pois nestas áreas a ocorrência de confusão espectral dar-se de forma mais intensa, no entanto, em áreas planas foi possível distingui-las. As correlações lineares de Pearson entre os valores de TST e NDVI foram em média, superior a -0,58 na série temporal de 11 safras agrícolas. Os melhores coeficientes de determinação da regressão múltipla entre produção, NDVI e TST retornaram um valor médio de 64%, sendo um indicativo do potencial da TST e do NDVI em auxiliar as estimativas agrícolas. No entanto, a baixa resolução espacial das imagens de TST se torna um empecilho no monitoramento de pequenas áreas agrícolas, principalmente quando essas estão acometidas de nuvens
Abstract: Remote sensing techniques are useful in determining cultivated areas, mainly commodity crops as soybean [Glycine max (L.) Merr.] and corn (Zea mays L.). Considering that the Land Surface Temperature (LST) and the Normalized Difference Vegetation Index (NDVI) variables can estimate production of these crops, this study aimed to correlate the values of these variables and the production of summer crops for a historical series of 11 years at the State of Paraná, Brazil. Shades of summer crop were evaluated by Kappa coefficient and overall accuracy average value exceeding 0.68 and 84%, respectively. In evaluating the method of generating masks of summer crops using second order polynomial equations with adjustments R2 greater than 0.75, the Kappa coefficient was equal to 0.86 Kappa and overall accuracy of 93%, being slightly higher than the results obtained when using the maximum-minimum NDVI technique. When trying apart soy to corn using orbital images, the results showed that in areas with steep slopes is not possible to separate them, because in these areas the occurrence of spectral confusion occurs more intensely. However in flat areas it was possible to distinguish them. The Pearson linear correlation between LST and NDVI values returned an average value greater than -0.58 in the time series of 11 agricultural crops. The better determination coefficients of multiple regressions between production, NDVI and LST returned an average value around 64%, being an indicator of the potential of LST and NDVI in assisting agricultural estimates. However, the low spatial resolution images of the LST become an obstacle in monitoring small agricultural areas, especially when these are affected by clouds
Doutorado
Planejamento e Desenvolvimento Rural Sustentável
Doutor em Engenharia Agrícola
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Spagnol, Wigberto Antonio. "Processamento minimo de cenoura e feijão-vagem." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257245.

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Orientadores: Kil Jin Park, Jose Maria Monteiro Sigrist
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agricola
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Resumo: Apesar dos consumidores associarem frutas e hortaliças como uma dieta saudável, por outro lado, estão mais exigentes, requerendo o aprimoramento da qualidade e a praticidade para seu consumo. Para atender esta expectativa dos consumidores, as hortaliças processadas minimamente necessitam de aplicação de tecnologias, a fim de evitar a perda de qualidade causada pelas várias operações unitárias inerentes ao processamento. O presente trabalho teve como finalidade caracterizar os efeitos da temperatura, da modificação da atmosfera através da aplicação de filme plástico e de atmosferas ativas com altos teores de O2 e CO2, visando atingir a segurança, a alta qualidade e a conveniência no consumo de produtos processados minimamente (PM). O conceito de aplicação de fatores de preservação combinados envolve um enfoque mais amplo da preservação da qualidade, tanto na prevenção do crescimento de microrganismos de deterioração e/ou tóxicos, mas também para a conservação de outros atributos (cor, sabor, odor, textura). Em cenoura e vagem processadas minimamente, considerando um sistema com fluxo de ar contínuo, um acréscimo de 10ºC na temperatura causou um aumenta na taxa respiratória de 3,0 vezes em cenouras e, para vagens aumentou de 3,78 a 4,71 vezes. As condições climáticas de produção, verão e inverno, afetaram a taxa de respiração de vagens, sendo em torno de 50% maior para as vagens colhidas na época de inverno em relação às vagens colhidas no verão. O sintoma de dano pelo frio foi constatado à temperatura de 1ºC, sendo possível mantê-las a esta temperatura no máximo durante 4 dias. Foi observada uma diferença de 3 ciclos logUFC.g-1 no atraso de crescimento de microrganismos de deterioração a 1ºC quando comparado a 11ºC, para as cenouras embaladas em filmes plásticos. A aplicação de altos teores de O2 e CO2 em cenoura e vagem PM, considerando um sistema experimental aberto, com fluxo da mistura de gases contínuo, causou uma diminuição do crescimento de bactérias aeróbias psicrotróficas e mesófilas em torno de 2 ciclos log ao longo do período de 10 dias de armazenamento tanto para as cenouras mantidas a 11ºC como para as vagens a 5ºC. O alto teor de CO2 (30 kPa) em sinergia com alto teor de O2 (50 a 60 kPa) apresentou uma maior eficiência na inibição do crescimento das bactérias. A presença de altos teores de CO2 também evitaram a ocorrência de escurecimento enzimático nas vagens, evitando a perda de sua coloração verde durante o período de armazenamento
Abstract: Although the consumers associate fruits and vegetables to a healthy diet, they are more demanding about their quality and facility, on the other hand. The minimally processed vegetables need some technology to satisfy the consumer's expectations and in order to avoid the loss of the quality caused by many different operations concerned to minimally processing food. This work has the purpose to characterize the temperature effects, to modify the atmosphere by using plastic films and active atmospheres with high concentration of CO2 and O2. It aims to get safety, high quality and the convenience in consuming minimally processed products.The combination of preservation factors applied to minimal processing of foods concept involves a wider focus of quality preservation as prevention of the microorganisms deterioration growth and toxics microorganisms: and also for the conservation of other qualities (color, flavour, odor, texture). The minimally processing carrots and snap beans submitted to an open experimental system with the continuous air flux, an increase of 10ºC in the temperature has caused an increase of the respiration rate from 2 to 3 times in carrots and from 4 to 5 times on snap beans, being around 50% higher to snap beans harvested in the summer. The chilling injury symptoms on the snap beans were verified at the temperature of 1ºC. It is possible to maintain then at this temperature during only four days. It was observed a difference of 3 cycles log UFC.g-1 in the growth lag of deterioration microorganisms at 1ºC when compared to 11ºC, for the plastic films packaged carrots. The application of high concentration on the MP carrots and snap beans considering an experimental open system, with mixture flux of continuous gases, caused a decrease of psicotrofic and mesofile aerobic bacteria around 2 cycles log during 10 days of storage either carrots at 11ºC or snap beans at 5ºC. The high concentration of CO2 (30kPa) in synergy with high level of O2 (50 to 60 kPa) presented bigger efficiency in inhibition of the bacteria growth. The presence of high concentration of O2 also CO2 also avoided the occurrence of enzymatic browning on the snap beans, besides the loss of the green coloration during the storage period. The high concentration of O2 and CO2 didn¿t caused statistics alteration on C vitamin when compared to the air
Doutorado
Tecnologia Pós-Colheita
Doutor em Engenharia Agrícola
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Rodrigues, Michele Carvalho da Silva. "Avaliação e adequação da lavagem no beneficiamento da batata." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256850.

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Orientador: Marcos David Ferreira
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola
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Resumo: O beneficiamento da batata lavada no Estado de São Paulo, destinada ao mercado in natura ou ao processamento, consome volume excessivo de água, provocando danos ao meio ambiente principalmente no descarte da água residual da etapa de lavagem. Tendo em vista a exigência do mercado consumidor por batata lavada, e a necessidade da redução do consumo de água utilizado para este tipo de beneficiamento, a hipótese deste trabalho é a de que é possível reduzir o consumo de água na etapa de lavagem da batata modificando os parâmetros de funcionamento dos equipamentos utilizados atualmente (vazão e rotação), mantendo a eficiência de limpeza, sem afetar a qualidade do produto. Sendo assim, o objetivo deste trabalho foi avaliar a etapa de limpeza em linhas de beneficiamento de batata lavada produzida no Estado de São Paulo, e propor modificações para redução no volume de água com manutenção da qualidade do produto e da eficiência de limpeza. Para tanto, inicialmente foi realizada a avaliação de desempenho da etapa de limpeza em unidades de beneficiamento de batata lavada no Estado de São Paulo, identificando o método de lavagem, os tipos de roletes/escovas, velocidade média do produto, e volume de água consumido. A partir do estudo de desempenho, foram propostas alterações para melhoria na etapa de limpeza com relação ao volume de água consumido e a limpeza do produto. A eficiência de limpeza, o consumo de água, e a influência do beneficiamento na qualidade da batata lavada foram avaliados e comparados nos sistemas propostos, onde foram avaliadas três rotações para as escovas, e três vazões de água na lavagem de tubérculos de dois solos com diferentes teores de argila. A qualidade do produto beneficiado foi avaliada por meio dos parâmetros: perda de massa fresca, coloração, danos físicos e firmeza. Neste trabalho foi possível verificar que o consumo de água nas unidades de beneficiamento pode ser reduzido, mantendo a eficiência de limpeza do produto, apenas com ajustes de vazão e rotação do equipamento de lavagem. Com relação à qualidade, verificou-se o incremento na perda de massa e incidência de brotamento, e redução da e firmeza da batata lavada em comparação aos tubérculos não lavados
Abstract: The washing for potatoes in São Paulo, for the fresh market or industry, consumes excessive amounts of water, causing damage to the environment mainly due to waste water discharge from the washing step. Considering the requirement of the consumer market for washed potatoes, and the need to reduce water consumption, the hypothesis is that it is possible to reduce water consumption on the washing of potato just modifying the configuration of the equipment currently used (flow and rotation), and maintaining the cleaning efficiency without affecting quality. Therefore, the main goal was to evaluate the cleaning step in processing lines of washed potatoes produced in the state of Sao Paulo, and propose modifications to reduce the amount of water and with maintenance of product quality and cleaning efficiency. Therefore, early, characterization of the cleaning step was made in processing and classification units of washed potatoes in the state of Sao Paulo, identifying the method of washing used, types of rollers / brushes, average speed of the product, and water volume consumed on this step. From the characterization study, changes were proposed in the cleaning step that would improve the efficiency with respect to water consumption and cleaning product. The cleaning efficiency, water consumption, and influence of improvement in the quality of washed potatoes were evaluated and compared in the proposed systems. The quality of the processed product was evaluated by the following parameters: weight loss, color, physical damage and firmness. In this study, it was possible to verify that water consumption on processing units can be reduced maintaining cleaning efficiency, only adjusting water flow and rotation of the equipment. Related to tuber quality, it was also observed an increase of mass and firmness loss, and sprouting of washed potatoes compared with unwashed tubers
Mestrado
Tecnologia Pós-Colheita
Mestre em Engenharia Agrícola
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Woldemariam, Yonas Demeke. "Natural language processing in cross-media analysis." Licentiate thesis, Umeå universitet, Institutionen för datavetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-147640.

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A cross-media analysis framework is an integrated multi-modal platform where a media resource containing different types of data such as text, images, audio and video is analyzed with metadata extractors, working jointly to contextualize the media resource. It generally provides cross-media analysis and automatic annotation, metadata publication and storage, searches and recommendation services. For on-line content providers, such services allow them to semantically enhance a media resource with the extracted metadata representing the hidden meanings and make it more efficiently searchable. Within the architecture of such frameworks, Natural Language Processing (NLP) infrastructures cover a substantial part. The NLP infrastructures include text analysis components such as a parser, named entity extraction and linking, sentiment analysis and automatic speech recognition. Since NLP tools and techniques are originally designed to operate in isolation, integrating them in cross-media frameworks and analyzing textual data extracted from multimedia sources is very challenging. Especially, the text extracted from audio-visual content lack linguistic features that potentially provide important clues for text analysis components. Thus, there is a need to develop various techniques to meet the requirements and design principles of the frameworks. In our thesis, we explore developing various methods and models satisfying text and speech analysis requirements posed by cross-media analysis frameworks. The developed methods allow the frameworks to extract linguistic knowledge of various types and predict various information such as sentiment and competence. We also attempt to enhance the multilingualism of the frameworks by designing an analysis pipeline that includes speech recognition, transliteration and named entity recognition for Amharic, that also enables the accessibility of Amharic contents on the web more efficiently. The method can potentially be extended to support other under-resourced languages.
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Books on the topic "Crops processing"

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Processing tropical crops: A technological approach. Mission Press, 2010.

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Asiedu, J. J. Processing tropical crops: A technological approach. Macmillan, 1990.

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Asiedu, J. J. Processing tropical crops: A technological approach. 2nd ed. Mission Press, 2010.

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1941-, Desai B. B., ed. Postharvest biotechnology of sugar crops. CRC Press, 1988.

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UNESCAP-CAPSA, ed. Secondary crops based farming systems and their integration with processing and marketing in Bangladesh. UNESCAP-CAPSA, 2005.

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Ālama, Jāhāṅgīra. Secondary crops based farming systems and their integration with processing and marketing in Bangladesh. UNESCAP-CAPSA, 2005.

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Bencini, Marina Carcea. Post-harvest and processing technologies of African staple foods: A technical compendim. Food and Agriculture Organization of the United Nations, 1991.

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Cheesman, Oliver. Environmental impacts of sugar production: The cultivation and processing of sugarcane and sugar beet. CABI, 2004.

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Bangladesh. Bāstabāẏana Paribīkshaṇa o Mulyāẏana Bibhāga, ed. Impact evaluation of Poverty Reduction through Minor Crops Production, Preservation, Processing & Marketing Program. Implementation Monitoring and Evaluation Division, Ministry of Planning, Government of the People's Republic of Bangladesh, 2012.

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Secondary crops based farming systems and their integration with processing in Lampung, Indonesia. UNESCAP-CAPSA, 2006.

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Book chapters on the topic "Crops processing"

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Rausch, Kent D., and Vijay Singh. "Crops - Cereals." In Food Processing. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118846315.ch13.

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Annor, George Amponsah, Zhen Ma, and Joyce Irene Boye. "Crops - Legumes." In Food Processing. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118846315.ch14.

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Islam, Md Mahbubul. "Advanced Production Technology and Processing of Jute." In Agronomic Crops. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9151-5_20.

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Atique-ur-Rehman, Hakoomat Ali, Zartash Fatima, and Shakeel Ahmad. "Fundamentals of Seed Production and Processing of Agronomic Crops." In Agronomic Crops. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9151-5_27.

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Afzal, Irfan, Sania Zahid, and Saira Mubeen. "Tools and Techniques of Postharvest Processing of Food Grains and Seeds." In Agronomic Crops. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9783-8_26.

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Vorobiev, Eugene, and Nikolai Lebovka. "Sugar Crops." In Processing of Foods and Biomass Feedstocks by Pulsed Electric Energy. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-40917-3_9.

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Azam-Ali, Sue, Emma Judge, Peter Fellows, and Mike Battcock. "Root Crops; Cereals and Pulses." In Small-Scale Food Processing. Practical Action Publishing, 1992. http://dx.doi.org/10.3362/9781780441368.004.

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Chauhan, O. P., and A. Nath. "Minimal Processing of Vegetables." In Advances in Postharvest Technologies of Vegetable Crops. Apple Academic Press, 2018. http://dx.doi.org/10.1201/9781315161020-11.

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Sidhu, Jiwan S., and Sudarshan Chellan. "Genetic Engineering of Vegetable Crops." In Handbook of Vegetables and Vegetable Processing. Wiley-Blackwell, 2011. http://dx.doi.org/10.1002/9780470958346.ch4.

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Lusas, E. "Achievements, Status and Challenges in Food Protein Processing." In Plant Proteins from European Crops. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03720-1_44.

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Conference papers on the topic "Crops processing"

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Umamaheswari, S., R. Arjun, and D. Meganathan. "Weed Detection in Farm Crops using Parallel Image Processing." In 2018 Conference on Information and Communication Technology (CICT). IEEE, 2018. http://dx.doi.org/10.1109/infocomtech.2018.8722369.

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Cheverdin, Yu I., and A. Yu Cheverdin. "EFFECTIVE FERTILITY IN CORN CROPS USING BIOLOGICAL PRODUCTS." In «Breeding, seed production, cultivation technology and processing of agricultural crops». Federal State Budgetary Scientific Institution Federal Scientific Rice Centre, 2021. http://dx.doi.org/10.33775/conf-2021-307-310.

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Thenmozhi, K., and U. Srinivasulu Reddy. "Image processing techniques for insect shape detection in field crops." In 2017 International Conference on Inventive Computing and Informatics (ICICI). IEEE, 2017. http://dx.doi.org/10.1109/icici.2017.8365226.

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Lalitha, V., M. Nithya, S. Samundeswari, and Srinidhi Srinivasan. "Essential Preliminary Processing methods of Hyper spectral images of crops." In 2020 IEEE International Women in Engineering (WIE) Conference on Electrical and Computer Engineering (WIECON-ECE). IEEE, 2020. http://dx.doi.org/10.1109/wiecon-ece52138.2020.9398013.

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Neschadim, N. "Production Of Winter Crops’ Grain For Deep Processing Depending On Agrotechnologies." In 18th International Scientific Conference “Problems of Enterprise Development: Theory and Practice”. European Publisher, 2020. http://dx.doi.org/10.15405/epsbs.2020.04.17.

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Sibiryov A.V., A. V., and M. A. Mosyakov M.A. "Post-harvest cleaning process ultrasonic impact." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-5.

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The article deals with the process of post-harvest processing of vegetable crops. Attention is focused on the fact that the existing complex of machines does not allow to fully meet the agrotechnical requirements for the technological process of post-harvest processing of root crops. It is proposed to use ultrasonic action on root crops for cleaning them from soil impurities. Data on the effect of acoustic cavitation generated by ultrasonic waves with a frequency of 18-18.5 kHz at a power density of at least 1 W / cm² are given on the effect of acoustic cavitation on a root crop in a laminar flow of liquid. It is noted that multiple hydraulic cumulative shocks arising from the collapse of cavitation bubbles should separate soil impurities from root crops, which will significantly reduce the time and energy consumption during post-harvest processing of vegetable crops.
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P.I, Kostylev, Krasnova E.V, and Aksenov A.V. "BREEDING WORK TO CREATE DRY RICE." In «Breeding, seed production, cultivation technology and processing of agricultural crops». Edvi, 2021. http://dx.doi.org/10.33775/conf-2021-5-13.

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Chebanova, Yu V., and Ya N. Demurin. "INHERITANCE OF F1 SEED SIZES IN SUNFLOWER HYBRIDS OF INTERMEDIATE AND GNAWING TYPE." In «Breeding, seed production, cultivation technology and processing of agricultural crops». Federal State Budgetary Scientific Institution Federal Scientific Rice Centre, 2021. http://dx.doi.org/10.33775/conf-2021-111-114.

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Demurin, Ya N., A. S. Tronin, A. A. Detsyna, and N. N. Kameneva. "DEVELOPMENT OF A LARGE FRUITED SUNFLOVER POPULATION WITH RESISTANCE TO SULFONYLUREA HERBICIDES." In «Breeding, seed production, cultivation technology and processing of agricultural crops». Federal State Budgetary Scientific Institution Federal Scientific Rice Centre, 2021. http://dx.doi.org/10.33775/conf-2021-115-120.

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Esaulova, L. V. "NEW RICE AND VEGETABLE CROPS VARIETIES BRED IN FSBSI FEDERAL SCIENTIFIC RICE CENTRE." In «Breeding, seed production, cultivation technology and processing of agricultural crops». Federal State Budgetary Scientific Institution Federal Scientific Rice Centre, 2021. http://dx.doi.org/10.33775/conf-2021-121-123.

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Reports on the topic "Crops processing"

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Park, Joon-Hyun, and Ilya Martinalbo. Evaluation of the Relative Merits of Herbaceous and Woody Crops for Use in Tunable Thermochemical Processing. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1259482.

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Temple, Dorota S., Jason S. Polly, Meghan Hegarty-Craver, et al. The View From Above: Satellites Inform Decision-Making for Food Security. RTI Press, 2019. http://dx.doi.org/10.3768/rtipress.2019.rb.0021.1908.

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Despite notable progress in reducing global poverty and hunger in recent decades, about one out of nine people in the world suffers from hunger and malnutrition. Stakeholders charged with making decisions pertaining to agricultural production, development priorities, and policies at a region-to-country scale require quantitative and up-to-date information on the types of crops being cultivated, the acreage under cultivation, and crop yields. However, many low- and middle-income countries lack the infrastructure and resources for frequent and extensive agricultural field surveys to obtain this information. Technology supports a change of paradigm. Traditional methods of obtaining agricultural information through field surveys are increasingly being augmented by images of the Earth acquired through sensors placed on satellites. The continued improvement in the resolution of satellite images, the establishment of open-access infrastructure for processing of the images, and the recent revolutionary progress in artificial intelligence make it feasible to obtain the information at low cost and in near-to-real time. In this brief, we discuss the use of satellite images to provide information about agricultural production in low-income countries, and we comment on research challenges and opportunities. We highlight the near-term potential of the methodology in the context of Rwanda, a country in sub-Saharan Africa whose government has recognized early the value of information technology in its strategic planning for food security and sustainability.
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Alemu, Dawit, and John Thompson. The Emerging Importance of Rice as a Strategic Crop in Ethiopia. Institute of Development Studies (IDS), 2020. http://dx.doi.org/10.19088/apra.2020.009.

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Rice has become one of the most important agricultural commodities in Ethiopia in line with its increased importance throughout Africa. This paper examines the trends of the importance of rice in the country – covering domestic production, imports, the extent of self-sufficiency and associated efforts. Specifically, the paper presents the challenges and opportunities surrounding rice cultivation, processing and marketing, as well as for the future development of the rice sector in Ethiopia.
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Pellegrini, Mark, and Daniel M. Pressel. Mstack: A Lightweight Cross-Platform Benchmark for Evaluating Co-Processing Technologies. Defense Technical Information Center, 2007. http://dx.doi.org/10.21236/ada476751.

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Caton, Yi-Jiun S., and Christopher Roth. SCATHA/SC3 Data Processing and Cross-Calibration with LANL-GEO/CPA for AE9 Development. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada604523.

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Chen, Yanpei, Sara Alspaugh, and Randy H. Katz. Interactive Query Processing in Big Data Systems: A Cross Industry Study of MapReduce Workloads. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada561769.

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Asante, Kofi Takyi. Political Economy of the Oil Palm Value Chain in Ghana. Institute of Development Studies (IDS), 2021. http://dx.doi.org/10.19088/apra.2021.008.

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Oil palm (Elaeis guineensis) is of strategic importance to the Ghanaian economy. It is the second most important industrial crop after cocoa and is used widely in local food preparation as well as in industrial processing. In spite of its importance, however, oil palm has consistently underperformed since the early twentieth century. This paper conducts a value chain analysis of the crop, foregrounding the political economy factors that shape the performance of the sector. It draws on a combination of in-depth interviews conducted in March 2020 with a variety of value chain actors and a review of the secondary literature. Additionally, between late May and early June 2020, twelve further interviews were conducted as part of a rapid market survey to assess the impact of the COVID-19 pandemic on the value chain.
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Thompson, Louis B., Antonio P. Mallarino, and Kenneth T. Pecinovsky. Crop Response to Phosphorus in Fertilizer and Struvite Recovered from Corn Fiber Processing for Bioenergy. Iowa State University, Digital Repository, 2013. http://dx.doi.org/10.31274/farmprogressreports-180814-332.

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Leal, L. C., O. W. Hermann, S. M. Bowman, and C. V. Parks. ARP: Automatic rapid processing for the generation of problem dependent SAS2H/ORIGEN-s cross section libraries. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/296737.

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Dunn, ME. Production of Probability Tables for the Unresolved-Resonance Region Using the AMPX Cross-section Processing System. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/777649.

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