Relevant bibliographies by topics / Fertilizer requirement

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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 'Fertilizer requirement'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Fertilizer requirement"

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K, Coumaravel, Santhi R, and Maragatham S. "Soil Test Crop Response Correlation Studies Under Integrated Plant Nutrition System for Hybrid Maize on an Alfisol." Madras Agricultural Journal 100, September (2013): 660–64. http://dx.doi.org/10.29321/maj.10.001378.

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Soil Test Crop Response correlation studies were carried out in maize under Integrated Plant Nutrition System (STCR-IPNS) on Typic Rhodustalf of Tamil Nadu, adopting “Inductive cum Targeted yield model”. The basic parameters for the “Targeted yield model” viz. nutrient requirement (NR), contribution of nutrients from soil (Cs), fertilizer (Cf) and farmyard manure (Cfym) were computed from field experimental data. Using these parameters, the fertiliser prescription equations were developed under IPNS and ready reckoner of fertiliser doses were formulated for desired yield target of maize for a
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Holford, ICR, JM Morgan, J. Bradley, and BR Cullis. "Yield responsiveness and response curvature as essential criteria for the evaluation and calibration of soil phosphate tests for wheat." Soil Research 23, no. 2 (1985): 167. http://dx.doi.org/10.1071/sr9850167.

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In a study using data from 57 wheat field experiments on the central-western slopes of New South Wales, eight soil phosphate tests (Bray,, Bray,, alkaline fluoride, Mehlich, Truog, lactate, Olsen and Colwell) were evaluated and calibrated in terms of responsiveness (�) and response curvature (C) parameters derived from the Mitscherlich equation. The results showed that, regardless of how well correlated a soil test is with yield responsiveness, it cannot give a satisfactory estimate of fertilizer requirement unless yield response curvature is also taken into account. The tendency of soil test
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Machado, Daniel Lucas Magalhães, Cícero Cartaxo de Lucena, Dierlei dos Santos, Dalmo Lopes de Siqueira, Pedro Henrique Monteiro Matarazzo, and Tiago Barbosa Struiving. "Slow-release and organic fertilizers on early growth of Rangpur lime." Revista Ceres 58, no. 3 (2011): 359–65. http://dx.doi.org/10.1590/s0034-737x2011000300017.

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Slow-release and organic fertilizers are promising alternatives to conventional fertilizers, as both reduce losses by leaching, volatilization and problems of toxicity and/or salinity to plants. The objective of this work was to evaluate the effect of different rates of the organic fertilizer Humato-Macota® compared with the slow-release fertilizer Osmocote® on the growth and nitrogen content in the dry matter of Rangpur lime. A field experiment was conducted in a factorial completely randomized design with an additional treatment (4 x 4 +1). The first factor consisted of four HumatoMacota® ra
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Pradeepa, M., U. Bagavathiammal, S. Sakthi Priyanka, and C. Kanagasuppurathinam. "Development of Integrated Fertilizer Prescription Based on STCR-IPNS for Brinjal through Inductive Cum Targeted Yield Model in Mannadipet Soil Series of Puducherry, India." International Journal of Plant & Soil Science 36, no. 11 (2024): 72–82. http://dx.doi.org/10.9734/ijpss/2024/v36i115122.

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The Soil Test Crop Response (STCR) approach, incorporating the Integrated Plant Nutrient System (IPNS) with a focus on targeted yields, aims to balance the need for "fertilizing the crop" and "fertilizing the soil." This balance is essential for meeting the crop’s fertilizer requirements, improving yield, enhancing fertilizer efficiency, and maintaining soil health, while also ensuring profitability for farmers. Field trials using the inductive and targeted yield model were conducted on Typic ustropept soils in Puducherry. Fertilizer prescription equations (FPEs) were developed through IPNS, u
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Krishnamoorthy, Mahaletchumy, and Shahidah Abdul Malek. "Application of Seaweed (Eucheuma cottonii) Extract and Shrimp Waste as Biofertilizer for Mustard (Brassica juncea L.)." AgroTech Food Science, Technology and Environment 1, no. 2 (2022): 14–19. http://dx.doi.org/10.53797/agrotech.v1i2.2.2022.

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The extensive use of chemical fertilizers in agriculture poses serious collateral problems such as environmental pollution, pest resistance development and food safety decline. Researches focused on developing organic fertilizers from waste to partially replace chemical fertilizer use is increasing due to the requirement of sustainable agriculture development. Therefore, a pot experiment was carried out to study the effect of organic fertilizer made from seaweed and shrimp waste in improving crop growth and soil pH in green mustards. Three treatments were set up: seaweed and shrimp waste ferti
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Balabandian, Ardalan, Majid Ashouri, Hamid Reza Doroudian, Seyyed Mostafa Sadeghi, and Mojtaba Rezaei. "Effect of Irrigation Interval and Biological and Nitrogen Fertilizers on Grain Yield and Yield Components of Rice Cultivars." Romanian Agricultural Research 38 (2021): 193–201. http://dx.doi.org/10.59665/rar3821.

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The effects of different irrigation regimes and the application of biological and chemical nitrogen (N) fertilizers on yield and yield components of rice cultivars in a field experiment at the Rice Research Institute of Iran, Rasht in 2018-2019 crop years were studied. The study was split-split plots based on the complete randomized block design with three replications. The main experimental factor was irrigation interval at three levels (flood irrigation and irrigation at intervals of 10 and 15 days), the second factor was fertilizer type at three levels [seedling root inoculation with Nitrox
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Sutriadi, Mas Teddy, Diah Setyorini, Deddi Nursyamsi, and Andarias Makka Murni. "Penentuan Kebutuhan Pupuk Kalium dengan Uji K-Tanah untuk Tanaman jagung di Typic Kandiudox." Journal of Tropical Soils 13, no. 3 (2018): 179–87. http://dx.doi.org/10.5400/jts.2008.v13i3.179-187.

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Fertilization of K is very important to increase product agriculture besides fertilization of N and P. In this time usage fertilizer not yet proportional and rational, such as those which happened in usage rice field fertilizer of K for the crop of paddy tend to excessively. The other way in the upland needing more fertlizer but fertilized slimmer or is not fertlized K. Proportional and rational fertilization can reach if pay attention the nutrients dynamics and soil status, and also requirement of nutrient for this crop to reach optimum production. This approach can be executed better and pro
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JENA, JYOTIRMAYEE. "Formulation of targeted yield equations for cucumber (Cucumis sativus) under rice-vegetable cropping system in Inceptisols." Annals of Plant and Soil Research 24, no. 3 (2022): 496–99. http://dx.doi.org/10.47815/apsr.2021.10199.

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Three fertility gradient stripes were created in Inceptisols of Odisha by applying no fertilizer, recommended dose of fertilizer (RDF) and double of the RDF and rice was grown during kharif, 2018 in the Central Research Farm of OUAT, Bhubaneswar. These three stripes were subdivided into 24 sub-plots and cucumber was grown with different graded doses of fertilizers and manures during rabi, 2018-19. Initial soil nutrient status, nutrient uptake, nutrient requirement, soil efficiency, fertilizer efficiency, organic matter efficiency and yield data were recorded. The highest cucumber yield (118.2
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JENA, JYOTIRMAYEE. "Formulation of targeted yield equations for cucumber (Cucumis sativus) under ricevegetable cropping system in Inceptisols." Annals of Plant and Soil Research 24, no. 3 (2022): 496–99. http://dx.doi.org/10.47815/apsr.2022.10199.

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Three fertility gradient stripes were created in Inceptisols of Odisha by applying no fertilizer, recommended dose of fertilizer (RDF) and double of the RDF and rice was grown during kharif, 2018 in the Central Research Farm of OUAT, Bhubaneswar. These three stripes were subdivided into 24 sub-plots and cucumber was grown with different graded doses of fertilizers and manures during rabi, 2018-19. Initial soil nutrient status, nutrient uptake, nutrient requirement, soil efficiency, fertilizer efficiency, organic matter efficiency and yield data were recorded. The highest cucumber yield (118.2
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Bazame, Helizani C., Francisco A. C. Pinto, Domingos S. Queiroz, Daniel M. de Queiroz, and Daniel Althoff. "Spectral sensors prove beneficial in determining nitrogen fertilizer needs of Urochloa brizantha cv. Xaraés grass in Brazil." Tropical Grasslands-Forrajes Tropicales 8, no. 2 (2020): 60–71. http://dx.doi.org/10.17138/tgft(8)60-71.

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The objective of the present work was to evaluate the use of spectral sensors to determine nitrogen fertilizer requirements for pastures of Urochloa brizantha cv. Xaraés in Brazil. The experimental design was a randomized block design with 4 replications of 4 treatments: a control treatment (TT) without application of N; a reference treatment (TR) with N applied at a standard predetermined fixed rate (150 kg urea/ha/cycle); a treatment using GreenSeekerTM (TG) to determine N requirement by the canopy normalized difference vegetation index (NDVI); and a treatment using SPAD 502 (TS) to determin
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Dissertations / Theses on the topic "Fertilizer requirement"

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Christianson, Jessica Anne. "Screening Hard Red Spring Wheat Cultivars for Reduced Phosphorus Fertilizer Requirement." Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28685.

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Phosphorus (P) is a common macronutrient required for hard red spring (HRS) wheat (Triticum aestivum L.) growth and yield expression, and is a significant expense for farmers. The objective of this study was to screen 89 cultivars of historical, current, and pending HRS wheat genotypes for relative P requirement. The cultivars were grown in a greenhouse over two years, using four rates of sodium phosphate for a rate response to the fertilizer. The genotypes were assessed using the Klepper-Haun technique for Haun stage and tiller initiation, and the plant material was analyzed for total P. It w
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Ottman, M. J. "Nitrogen Fertilizer Requirement of Feed and Malting Barley Compared to Wheat, 2011." College of Agriculture, University of Arizona (Tucson, AZ), 2012. http://hdl.handle.net/10150/211153.

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Barley is generally thought to require less nitrogen fertilizer than wheat, but how much less has not been clearly documented. The purpose of this study is to compare the nitrogen fertilizer requirements of barley and wheat. A study was conducted at the Maricopa Agricultural Center testing the response of 2 durum wheats (Kronos and Havasu), 2 bread wheats (Yecora Rojo and Joaquin), 2 feed barleys (Baretta and Nebula), and 2 malting barleys (Conrad and Moravian 69) to 7 rates of nitrogen fertilizer (0, 30, 60, 90, 120, 150, and 180 lbs N/acre). The surface soil was relatively high in nitrate at
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Shreckhise, Jacob Hamilton. "Phosphorus Requirement and Chemical Fate in Containerized Nursery Crop Production." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/83893.

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Environmental contamination issues related to phosphorus (P) in surface waters substantiates the need to identify minimally-sufficient P fertilization amounts for production of containerized nursery crops and better understand the effect of routine amendments (i.e., dolomite [DL] and micronutrient fertilizer [MF]) added to pine bark substrates on chemical fate of P fertilizer. Four studies were conducted to accomplish two overarching objectives: 1) determine the minimum P fertilization amount and corresponding pore-water P concentration needed to achieve maximal growth of common containerized
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Stroehlein, J. L., Cathy Creekmore, M. Janet, S. K. Ahmed, B. B. Taylor, and Sam Stedman. "Drip Irrigation Studies on Fertilizer Requirements for Cotton at Stanfield." College of Agriculture, University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/204050.

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Norrish, Shane A., University of Western Sydney, of Science Technology and Environment College, and School of Environment and Agriculture. "Soil and water interactions controlling wheat crop response to phosphorus fertiliser in north-western New South Wales." THESIS_CSTE_EAG_Norrish_S.xml, 2003. http://handle.uws.edu.au:8081/1959.7/613.

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This thesis examines the response to P fertiliser by wheat crops growing in the vertosol soils of the low rainfall areas of the northern grain zone of eastern Australia. Farmers in this region depend on water accumulated from rainfall over a fallow period and stored in the subsoil to increase wheat grain yield beyond that normally achievable from in-crop rainfall and to decrease the production risks due to rainfall variability. The large variability in stored water, seasonal rainfall and subsoil properties result in extremely varied yield and yield responses to P fertiliser between seasons and
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Janat, Mohamad Mussaddak. "Phosphorus fractions, movement and fertilizer requirements of grapes grown on White House soil." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184754.

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A two-year fertilizer study on a mature vineyard of Vita vinifera, C. V. Cabernet Sauvignon and Sauvignon blanc, has been conducted on White House sandy loam (fine, mixed, thermic Ustollic Haplargid), at Page Ranch, International Agricultural Center. Furthermore, eleven different varieties grown at Page Ranch and treated with different levels of nitrogen fertilizer were tested for total P content in plant tissue and NO₃-N. Moreover, in another site with similar soil, a Cabernet Sauvignon grown at the Vina Sonoita Vineyard was treated with both soil and foliar applications of P fertilizer, and
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Thompson, Thomas L., Scott A. White, and Ayako Kusakabe. "Nitrogen and Phosphorus Fertilizer Requirements for Young, Bearing Microsprinkler-Irrigated Citrus, 2005 Report." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/223676.

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Higher nutrient and water use efficiency are possible with microsprinkler-irrigated citrus compared to flood-irrigated citrus. Therefore, new N and P fertilizer recommendations are needed for microsprinkler-irrigated citrus. The objectives of these experiments were to i) determine the effects of N applications on tree growth, fruit yield, fruit and juice quality, and N and P removal in fruit for microsprinkler-irrigated navel oranges; ii) determine the effects of P applications on tree growth, fruit yield, fruit and juice quality, and N and P removal in fruit, and iii) develop Best Management
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Yang, Dongsheng. "The response of two eucalypt subspecies to water stress and fertilizer at early seedling stage." Thesis, Canberra, ACT : The Australian National University, 1987. http://hdl.handle.net/1885/140223.

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Doerge, T. A., and M. J. Ottman. "Predicting Late Season Nitrogen Fertilizer Requirements of Irrigated Durum Wheat Using Stem Nitrate Analyses." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/201347.

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A field experiment was conducted on a Casa Grande sandy loam at the Maricopa Agricultural Center to 1) determine the optimum rates of late season N needed to achieve optimum yield and quality of irrigated dumm wheat in conjunction with varying rates of early season N, and 2) to evaluate the usefulness of stem NO₃⁻N analysis in predicting the late season N rates which optimize grain production but minimize the potential for nitrate pollution of groundwater. The application of 80, 195 and 350 lbs. N/a during vegetative growth resulted in wheat with deficient, sufficient and excessive N status at
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Trenholm, Leif. "Effects of water table depths and fertilizer treatments on yield and quality of tomatoes." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22818.

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A field lysimeter experiment was conducted during 1993 and 1994 using 4 water table depths (WTD) (0.3, 0.6, 0.8, and 1.0 m), 13 treatment levels of calcium (0, 1500, and 2500 kg/ha) and potassium (0, 160, and 400 kg/ha), to determine their effects on tomato quality and yield. Plant parameters measured included: yield (fruit/plant), fruit height, maximum and minimum equatorial width, degree of catfacing (scale of 1 to 5), and sunscald (scale of 0 to 2).<br>Water table treatment was usually highly significant for the parameters measured at harvest. Largest height, equatorial width and yield of t
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Books on the topic "Fertilizer requirement"

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Szulc, Wiesław. Potrzeby nawożenia roślin uprawnych siarką oraz metody ich wyznaczania. Wydawn. SGGW, 2008.

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National Seminar on Soil Testing for Balanced and Integrated Use of Fertilizers and Manures (1999 Indian Institute of Soil Science). Soil test based fertilizer recommendations for targeted yields of crops: Proceedings of the National Seminar on Soil Testing for Balanced and Integrated Use of Fertilizers and Manures. Edited by Subba Rao A, Srivastava Sanjay, and All India Coordinated Research Project for Investigations on Soil Test Crop Response Correlation. All India Coordinated Research Project for Investigations on Soil Test Crop Response Correlation, Indian Institute of Soil Science, 2001.

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Kuo, Shiou. Nitrogen and phosphorus requirements for sweet corn in western Washington. Agriculture Research Center, College of Agriculture and Home Economics, Washington State University, 1985.

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Zougmoré, Robert B. Integrated water and nutrient management for sorghum production in semi-arid Burkina Faso. Wageningen University and Research Centre, 2003.

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PDA and POTASH DEVELOPMENT ASSOCIATION, eds. The Potash Development Association: 17 forage maize - fertiliser requirements. PDA, 1996.

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Institute, Sulphur, ed. Sulphur: Its role and place in balanced fertiliser use for Indian agriculture : a comprehensive review of plant nutrient sulphur in India--agronomics, economics, and fertilizer requirements. The Institute, 1994.

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Robinson, Susan. Pasture production. Ontario Ministry of Agriculture and Food, 1990.

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Sidorenko, Oleg. Microbiology. INFRA-M Academic Publishing LLC., 2024. http://dx.doi.org/10.12737/2122973.

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The textbook presents modern data on general microbiology, a comprehensive analysis of the industrial biotechnology industry and the bioconversion of renewable resources. For the first time, agricultural waste is considered as a raw material for obtaining useful products: organic fertilizers, feed additives, medicinal preparations, energy sources, etc. Meets the requirements of the federal state educational standards of higher education of the latest generation. For students of higher educational institutions studying in the field of training "Technology of production and processing of agricul
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Sidorenko, Oleg. Biological systems in the processing of secondary products and agricultural waste. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1102076.

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The manual describes technologies for processing secondary products and agricultural waste using macro-and micro-organisms. The regulations of modern biotechnologies of microbial synthesis, bioconversion of secondary raw materials are briefly presented, methods of its processing and characteristics of the obtained target products of bioconversion are described.&#x0D; Practical classes introduce students to modern methods of improving environmental quality and production waste from commercial products (organic fertilizers, bacterial preparations, feed additives, etc.), as well as obtain the che
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International Workshop on Current and Future Plant Nutrient Sulphur Requirements, Availability, and Commercial Issues for China (1995 Beijing, China). Proceedings of the International Workshop on Current and Future Plant Nutrient Sulphur Requirements, Availability, and Commercial Issues for China, March 9, 1995, Beijing, China. The Institute, 1995.

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Book chapters on the topic "Fertilizer requirement"

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Sharma, Neetu, B. C. Sharma, Anil Kumar, and Rakesh Kumar. "Fertilizer Requirement." In Agronomy Algorithm. CRC Press, 2022. http://dx.doi.org/10.1201/9781003347286-5.

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Piegat, Andrzej, and Karina Tomaszewska. "Assessment of Fertilizer Nitrogen Requirement of Sugar Beetroot Using Info-Gap Theory." In Artificial Intelligence and Soft Computing. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19369-4_40.

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Rahn, C. R., D. J. Greenwood, and A. Draycott. "Prediction of nitrogen fertilizer requirement with the HRI WELL-N computer model." In Progress in Nitrogen Cycling Studies. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-5450-5_43.

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Morgan, Lynette. "Plant nutrition and nutrient formulation." In Hydroponics and protected cultivation: a practical guide. CABI, 2021. http://dx.doi.org/10.1079/9781789244830.0009.

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Abstract This chapter focuses on plant nutrition and nutrient formulation. Water quality and sources for hydroponic production, reclaimed water sources, water testing, water analysis reports, water treatment options, water usage and supply requirements, plant nutrition in hydroponic systems, essential elements and its function in plants and deficiency symptoms, beneficial elements, nutrient formulation, hydroponic nutrient formulation - nitrogen sources, common hydroponic fertilizers, fertilizer composition and grades, chelation of trace elements, foliar fertilizers, electrical conductivity, p
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Morgan, Lynette. "Plant nutrition and nutrient formulation." In Hydroponics and protected cultivation: a practical guide. CABI, 2021. http://dx.doi.org/10.1079/9781789244830.0136.

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Abstract This chapter focuses on plant nutrition and nutrient formulation. Water quality and sources for hydroponic production, reclaimed water sources, water testing, water analysis reports, water treatment options, water usage and supply requirements, plant nutrition in hydroponic systems, essential elements and its function in plants and deficiency symptoms, beneficial elements, nutrient formulation, hydroponic nutrient formulation - nitrogen sources, common hydroponic fertilizers, fertilizer composition and grades, chelation of trace elements, foliar fertilizers, electrical conductivity, p
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Zhao, Qiuduo, Jinxia Fan, Shan Ning, and Wenzhe Li. "Prediction and Guidance of Fertilizer Requirement in Different Growth Stages of Crops Based on Artificial Neural Network." In Lecture Notes in Electrical Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-4258-6_210.

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Kanwar, J. S., and M. S. Mudahar. "Estimating Sulfur Requirements, Supplies, and Gaps." In Fertilizer sulfur and food production. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-017-1540-9_7.

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Kanwar, J. S., and M. S. Mudahar. "Estimating Sulfur Requirements, Supplies, and Gaps." In Fertilizer sulfur and food production. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4352-0_7.

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Quemada, Miguel, Antonio Delgado, Luciano Mateos, and Francisco J. Villalobos. "Nitrogen Fertilization II: Fertilizer Requirements." In Principles of Agronomy for Sustainable Agriculture. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46116-8_25.

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Quemada, Miguel, Antonio Delgado, Luciano Mateos, and Francisco J. Villalobos. "Nitrogen Fertilization II: Fertilizer Requirements." In Principles of Agronomy for Sustainable Agriculture. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-69150-8_27.

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Conference papers on the topic "Fertilizer requirement"

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Gonz�lez, Leonardo D., Celeste Mills, Aurora del C. Mungu�a-L�pez, and Victor M. Zavala. "Sustainable Production of Fertilizers via Photosynthetic Recovery of Nutrients in Livestock Waste." In Foundations of Computer-Aided Process Design. PSE Press, 2024. http://dx.doi.org/10.69997/sct.147417.

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Increases in population and improvements in living standards have significantly increased the demand for animal products worldwide. However, modern livestock agriculture exerts significant pressure on the environment due to high material and energy requirements. These systems also generate significant amounts of waste that can cause severe environmental damage when not handled properly. Thus, if we wish to enable farmers to meet this increased demand in a sustainable way, technology pathways must be developed to convert livestock agriculture into a more circular economy. With this end in mind,
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Priandana, Karlisa, Wulandari, Alfariz Gilang Septian, and Medria Kusuma Dewi Hardhienata. "Precision Fertilization using Multispectral Imaging: Imbalanced Data Handling using SMOTE in the Classification of Rice Plant Fertilizer Requirements." In 2024 International Conference on Electrical Engineering and Computer Science (ICECOS). IEEE, 2024. https://doi.org/10.1109/icecos63900.2024.10791110.

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Namany, Sarah, Farhat Mahmoud, and Tareq Al-Ansari. "Optimizing Crop Schedules and Environmental Impact in Climate-Controlled Greenhouses: A Hydroponic vs. Soil-Based Case Study." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.187819.

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Optimizing greenhouse operations in arid regions is essential for sustainable agriculture due to limited water resources and high energy demands for climate control. This paper proposes a multi-objective optimization framework aimed at minimizing both the operational costs and environmental emissions of a climate-controlled greenhouse. The framework determines optimal allocation of growing area among three crops (tomato, cucumber, and bell pepper) throughout the year. These crops were selected for their varying growth conditions, which induce variability in energy and water inputs, providing a
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DAYANTI, Alvina, Mgs Afriyan FIRDAUS, Allsela MEIRIZA, Dwi Rosa INDAH, and Ahmad HERYANTO. "Implementation of Distribution Requirement Planning in the Subsidized Fertilizer Management System." In Sriwijaya International Conference on Information Technology and Its Applications (SICONIAN 2019). Atlantis Press, 2020. http://dx.doi.org/10.2991/aisr.k.200424.082.

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Herawati and Syafruddin. "Determination of potassium fertilizer requirement for maize hybrid in inceptisol soil." In INTERNATIONAL CONFERENCE ON ORGANIC AND APPLIED CHEMISTRY (ICOAC) 2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0184194.

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"Case study on the prediction of souil organic carbon and fertilizer requirement using legacy data in Korea." In Role of Healthy Soil-Plant Interactions towards Achieving Resilient Agriculture in the Asian and Pacific Region. Food and Fertilizer Technology Center for the Asian and Pacific Region, 2022. http://dx.doi.org/10.56669/otoh6669.

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Jotautiene, Egle, Antanas Juostas, Edvardas Vaiciukevicius, and Rolandas Domeika. "Experimental investigation on dynamics of precision spreading of granular fertilizers." In 24th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering and Information Technologies, 2025. https://doi.org/10.22616/erdev.2025.24.tf158.

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Smart fertilizer technologies enhance agricultural efficiency by accelerating processes, increasing crop yields, and minimizing environmental impacts. The primary objective of fertilization is to apply fertilizers as uniformly and precisely as possible across the soil surface. To increase fertilizer efficiency, fertilization techniques and technologies are constantly being improved, fertilizer quality is being improved, and optimal fertilizer rates are being selected. The appropriate fertilizer rate is influenced by the soil composition, its physical and chemical properties, and the specific r
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Bivainis, Vaidas, Egle Jotautiene, Ramunas Mieldazys, and Grazvydas Juodisius. "Simulation research on properties of spherical manure granules." In 23rd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering and Information Technologies, 2024. http://dx.doi.org/10.22616/erdev.2024.23.tf034.

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To increase the effectiveness of fertilizers, fertilization technologies are constantly being improved, the quality of fertilizers is improved, and optimal application rates are selected. To protect the soil and the surrounding environment, even organic fertilizers must be spread on the soil following agro-technical requirements. The uniform distribution of organic granular fertilizers in the soil is complicated due to their different physical-mechanical properties and the shape of the granules, compared to mineral fertilizers. Experimental studies are constantly being conducted to determine t
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Bulgakov, Volodymyr, Ivan Holovach, Oleg Adamchuk, Adolfs Rucins, and Aivars Aboltins. "Research in mineral fertiliser particle throwing distance from new centrifugal fertilizer spreader working tool." In 22nd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2023. http://dx.doi.org/10.22616/erdev.2023.22.tf110.

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The produced mineral fertiliser spreaders have the working width and productivity that do not satisfy today’s requirements in high-technology agricultural production. It refers also to the distance the mineral fertiliser particle can reach. We have developed a new centrifugal fertilizer spreading working tool with an inclined axis of rotation. It allows for increased distance of mineral particles at centrifugal spreading. The aim of the present research is to determine the throwing distance of the mineral particle from the spreading disc inclined to the horizon. The analytical research has bee
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Wikramanayake, Enakshi, and Vaibhav Bahadur. "Landfill Gas Utilization for Water, Electricity and Food Production in Texas." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65375.

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Methane emissions from US landfills equal 14% of US residential natural gas consumption, and represent a significant waste of energy. This work presents and analyzes three concepts for landfill gas (LFG) utilization, which impact the water, electricity and food sectors. The first novel concept uses LFG to power refrigeration cycles to enable atmospheric water harvesting (AWH). Freshwater produced by LFG-based AWH can be used for water intensive operations (drilling, hydraulic fracturing) in oilfields located near landfills. The second concept is about routing LFG to nearby natural gas-fired po
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Reports on the topic "Fertilizer requirement"

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Abay, Kibrom A., Mehari Hiluf Abay, Mulubrhan Amare, Guush Berhane, and Ermias Betemariam. Mismatch between soil nutrient requirements and fertilizer applications: Implications for yield responses in Ethiopia. International Food Policy Research Institute, 2021. http://dx.doi.org/10.2499/p15738coll2.134449.

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Castellano, Mike J., Abraham G. Shaviv, Raphael Linker, and Matt Liebman. Improving nitrogen availability indicators by emphasizing correlations between gross nitrogen mineralization and the quality and quantity of labile soil organic matter fractions. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597926.bard.

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A major goal in Israeli and U.S. agroecosystems is to maximize nitrogen availability to crops while minimizing nitrogen losses to air and water resources. This goal has presented a significant challenge to global agronomists and scientists because crops require large inputs of nitrogen (N) fertilizer to maximize yield, but N fertilizers are easily lost to surrounding ecosystems where they contribute to water pollution and greenhouse gas concentrations. Determination of the optimum N fertilizer input is complex because the amount of N produced from soil organic matter varies with time, space an
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Chen, Yona, Jeffrey Buyer, and Yitzhak Hadar. Microbial Activity in the Rhizosphere in Relation to the Iron Nutrition of Plants. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7613020.bard.

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Iron is the fourth most abundant element in the soil, but since it forms insoluble hydroxides at neutral and basic pH, it often falls short of meeting the basic requirements of plants and microorganisms. Most aerobic and facultative aerobic microorganisms possess a high-affinity Fe transport system in which siderophores are excreted and the consequent Fe complex is taken up via a cognate specific receptor and a transport pathway. The role of the siderophore in Fe uptake by plants and microorganisms was the focus of this study. In this research Rhizopus arrhizus was found to produce a novel sid
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ADAS, RSK. Nitrate Surveillance Monitoring Program (Annual Report May 2021 - March 2022). Food Standards Agency, 2022. http://dx.doi.org/10.46756/sci.fsa.uau489.

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Every Member State is required to monitor and report levels of nitrate in specified foodstuffs as part of the European Commission regulation and the UK also requires this information as part of the collection of data to support the review of retained EU law in the UK and inform the setting of policy around maximum nitrate levels. The requirement to carry out monitoring for nitrate in lettuce, spinach and rocket is being met by the UK Nitrate Surveillance Programme. Results are presented for the period between 1st April 2021 and 31st March 2022. A total of 202 samples were collected within the
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