Relevant bibliographies by topics / Forage harvester

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Academic literature on the topic 'Forage harvester'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Forage harvester"

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Harmon, Joshua D., Brian D. Luck, Kevin J. Shinners, Robert P. Anex, and Jessica L. Drewry. "Time-Motion Analysis of Forage Harvest: A Case Study." Transactions of the ASABE 61, no. 2 (2018): 483–91. http://dx.doi.org/10.13031/trans.12484.

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Abstract. Forage harvest is a time and energy intensive process requiring the coordination of multiple pieces of equipment. Detailed characterizations of the time spent in each work state for each piece of equipment would increase the understanding of process inefficiencies and aid in development of optimization tools. Geospatial and controller area network (CAN) machine data were recorded on forage harvesters and transport equipment, during two types of harvest operations, to quantify utilization of harvesters and transports as well as transport productivity. The data collection and processing method was successful in identifying work states for forage harvesters and transports. The results indicated that overall utilization of the harvester for harvesting was 61% and dependent on transport availability. The portion of total operational time spent in the idle work state (idle utilization) was 10% to 20% for transports and 18% to 23% for harvesters. A new metric for transport productivity was developed and found to be highly dependent on transport capacity ranging from 125 to 49 Mg km h-1 for semi-trucks and smaller transports, respectively. The proposed data collection methods and productivity metrics could be used to optimize the forage harvest process to reduce idle time and maintain crop quality. Keywords: Controller area network, Cycle analysis, Forage harvester, Global positioning system.
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Galimov, Rufan, Kirill Maksimovich, and Vitaliy Tikhonovskiy. "Evaluation of combines transport support effectiveness for harvesting silage crops in Western Siberia." E3S Web of Conferences 175 (2020): 05030. http://dx.doi.org/10.1051/e3sconf/202017505030.

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In this work we calculated the forage harvester required power to provide the smooth operation of transport which are responsible for the green mass transportation. Effectiveness assessment of the enterprise, harvesting forage crops through the positioning and monitoring of transport. Methods are proposed to optimize the harvesting process in order to reduce downtime of forage harvesters and increase economic efficiency.
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Pecenka, Ralf, Jadir Nogueira Silva, Detlef Ehlert, and Gerd Volkhard Scholz. "MECHANISED HARVEST OF ENERGY WOOD: STATE-OF-THE-ART AND NEW DEVELOPMENTS." REVISTA ENGENHARIA NA AGRICULTURA - REVENG 24, no. 1 (May 4, 2016): 32–40. http://dx.doi.org/10.13083/reveng.v24i1.638.

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Energy wood from fast growing trees, also called short rotation coppice (SRC) such as poplar, willow and eucalyptus, may provide a secure source of income for farmers, provided that production technologies, logistic chains and end user facilities are well designed in farmers’ regional structures. One of the key problems at present is the lack of inexpensive harvesting machinery. Analyzing the process chain of fast growing trees, chip lines seem to be most costefficient for harvest, and the modification of forage harvesters is a promising option. But the high machine weight of forage harvesters is a serious disadvantage for harvest in rain-laden or mountainous regions. Furthermore, for economic operation of these expensive harvest systems cultivation areas of more than 300 ha are required. Therefore, a simple and low weight tractor-mounted mower-chipper for medium sized standard tractors has been developed. The chipper is designed for flexible harvest of wood from fast growing trees (max. stem diameter 15 cm). The total weight of the harvester (tractor and chipper) is less than 50 % of the forage harvester combination resulting in much more flexible field operation and lower harvest costs. The machine has been successfully tested in the last three harvest seasons on an area of more than 110 ha. At harvest of 4 years old poplars (10 - 15 cm stem diameter) an average field performance of 0.5 ha h-1 has been realized. Due to the robust design and performance of the prototype the development of a reinforced model is considered at present. Such a new model could be designed for harvest of poplar or eucalyptus trees with stem diameters of more than 20 cm.
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H. Page Harrison. "Treatment of Forage with Sulphur Dioxide in a Forage Harvester." Transactions of the ASAE 28, no. 2 (1985): 356–59. http://dx.doi.org/10.13031/2013.32257.

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Steen, R. W. J. "The effect of field wilting and mechanical treatment on the feeding value of grass silage for beef cattle and on beef output per hectare." Animal Science 41, no. 3 (December 1985): 281–91. http://dx.doi.org/10.1017/s0003356100036333.

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AbstractTwo experiments were carried out to compare three methods of harvesting grass silage for beef production. These involved (a) harvesting the grass directly with a flail forage harvester (b) pre-cutting the grass with a rotary mower and harvesting it with a precision-chop forage harvester without wilting and (c) pre-mowing and harvesting with a precision-chop forage harvester after field wilting for 36 to 80 h (experiment 1) or 20 to 24 h (experiment 2). Half of the grass harvested by each method received formic acid at a rate of 2·5 1/t while the other half received no additive. The silages were offered ad libitum and supplemented with 2·6 kg concentrates per head daily to 72 castrated male cattle in each experiment. The unwilted and wilted herbages had mean dry-matter concentrations of 163 and 273 g/kg at ensiling and all silages were well preserved. Harvesting silage with a precision-chop rather than a flail forage harvester produced only a small non-significant increase in intake (0·034) and performance (0·046) and did not affect carcass gain per ha. Field wilting for 36 to 80 h prior to ensiling (experiment 1) reduced animal performance by 0·08 and beef output per ha by 0·11. Wilting for 20 to 24 h in ideal weather (experiment 2) did not affect animal performance or beef output per ha compared with that produced by well-preserved, unwilted silage. There was no significant interaction between method of harvesting and additive treatment.
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Jackson, M. A., R. J. Readman, J. A. Huntington, and L. A. Sinclair. "The effects of processing at harvest and cutting height of urea-treated whole-crop wheat on performance and digestibility in dairy cows." Animal Science 78, no. 3 (June 2004): 467–76. http://dx.doi.org/10.1017/s1357729800058860.

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AbstractUrea-treated whole-crop wheat harvested at growth stage (GS) 87 that was either unprocessed (U) or processed (P) by the forage harvester, and cut at one of two heights to produce a long straw (L), or short straw (S) forage, was offered to 44 Holstein-Friesian dairy cows for 14 weeks according to a 2 ✕ 2 factorial design. Whole-crop wheat (WCW) was mixed 2: 1 on a dry-matter (DM) basis with grass silage and all animals received 8·5 kg/day of concentrate and 2 kg/day of rapeseed meal. Increasing the cutting height at harvest increased the starch content in the forage from an average of 356 to 419 g/kg DM and decreased neutral-detergent fibre levels from 422 to 337 g/kg DM. Forage intake (grass silage and WCW) was higher in cows given the unprocessed compared with the processed forages (13·7 v. 12·5 kg DM per day for treatments U v. P respectively; P < 0·05) and tended (P < 0·08) to be higher in cows given the long compared with the short straw forages. Neither processing, nor alteration of cutting height, had a significant effect on milk yield (kg/day). However, milk fat content decreased (P < 0·05) with increasing cutting height (41·9 v. 37·0 g/kg for the main effects of L v. S respectively) whilst body condition score was lower (P < 0·05) in cows given the long compared with the short straw forages (2·6 v. 2·8 respectively). Plasma glucose levels were higher (P < 0·05) in animals receiving the short compared with long straw forages (3·52 v. 3·34 mmol/l respectively) whereas β-hydroxybutyrate decreased (P < 0·01) with increased cutting height. The average digestibility of starch in the total ration was higher (P < 0·001) in cows given the processed compared with the unprocessed WCW (0·96 v. 0·88 respectively). Assuming a constant apparent digestibility of starch in the other food components resulted in a WCW starch apparent digestibility of 0·87, 0·97, 0·80 and 0·96 for forages LU, LP, SU and SP respectively (P < 0·001). The results indicate that processing at harvest significantly increased the digestibility of starch in WCW and that cows responded to this higher nutrient content by decreasing forage intake. Increasing the cutting height at harvest decreased milk fat content (g/kg) and yield (kg/day) and increased body condition score.
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Thompson, Serena, Jenny Koebernick, Russell C. Carrell, Madison Cole, and S. Leanne L. Dillard. "Evaluating Soybean Cultivars for Forage Yield and Nutritive Values." Journal of Animal Science 99, Supplement_2 (May 1, 2021): 21–22. http://dx.doi.org/10.1093/jas/skab096.037.

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Abstract Alfalfa (Medicago sativa) and perennial peanut (Arachis glabrata) are frequently utilized by equine producers in the Southeast. However, challenges related to their production have producers searching for alternative legume options. In 2019 and 2020, five soybean cultivars, “Tower of Leaves,” “Stonewall,” “Laredo,” “AG79X9,” and “AG64X8,” were evaluated for yield and nutritive value. Soybeans were grown at two row spacings (36 and 71 cm), two locations (Central and South Alabama), and harvested at three heights (10, 15, and 20 cm; HH). Forages were harvested using a plot harvester, dried at 55°C, and ground to 1 mm. Forage quality was determined using a NIRS, with verification by wet chemistry analyses. The study was a randomized, complete block design (n = 4) and statistical analysis was carried out using PROC Glimmix of SAS version 9.4 (SAS Inst., - Cary, NC). Forage yields were greatest in “Stonewall” and “Tower of Leaves,” and lowest in “Laredo” (2,074, 1,978, and 1,348 kg/ha, respectively). Across years, HH and forage cultivar had a significant effect on yield (P &lt; 0.0001). As expected, yield increased as HH decreased (P &lt; 0.0001). In 2019, crude protein (CP) was affected by HH (P &lt; 0.0001), with 10 cm having lower CP than 15 and 20 cm (14 vs 16%, respectively; P &lt; 0.0001). Neutral detergent fiber (NDF), acid detergent fiber (ADF), and total digestible nutrients (TDN) were affected (P &lt; 0.01) by HH and variety. “Stonewall” had the lowest NDF (30.84%) and ADF (29.27%; P &lt; 0.01). “Stonewall” and “AG79X9” had the greatest TDN (74 and 73%, respectively; P &lt; 0.01). The cultivar “Stonewall” shows promise as a forage, with greater yields and moderate forage nutritive value compared with the other cultivars tested. Further research is needed to evaluate “Stonewall” in mixtures with other warm-season annual forages.
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D. Tremblay, P. Savoie, and Q. Le Phat. "Reducing Forage Harvester Peak Power with a Flywheel." Applied Engineering in Agriculture 7, no. 1 (1991): 41–45. http://dx.doi.org/10.13031/2013.26188.

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Weirich Neto, Pedro H., Paulo W. Garbuio, Nátali M. de Souza, Hevandro C. Delalibera, and Khetlen Leitão. "Fragment size of corn silage according to the dry matter and forage harvester adjustments." Engenharia Agrícola 33, no. 4 (August 2013): 764–71. http://dx.doi.org/10.1590/s0100-69162013000400016.

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In Brazil, the best results in milk production are found in the state of Paraná. Such results are reached through genetic selection of the animals and management of their diets, in which whole plant corn silage is widely used. Aiming the silage quality, it was evaluated the influence of dry matter content of the corn culture as forage and the harvester adjustments on the fragment size of whole plant corn silage. The fragment size of two corn hybrids silage (SPEED and 2B688) was evaluated using a 5x3 factorial, with 4 repetitions. The first factor was the harvest time of the plants (105, 108, 112, 118, and 123 days after sowing (DAS)), which determines the forage dry matter (DM) content. The second factor was the harvester adjustments (2, 6.5 and 11mm of theoretical fragment length (TFL)). The DM content did not affect the average fragment size of 2B688. For SPEED, however, the real fragment size decreased as the maturation of plants increased. The conclusion is that the DM content and harvester adjustments can affect the real fragment sizes, according to different plant genotypes. The alterations of the harvester adjustments resulted in different fragment sizes, however, it were different from those indicated by the manufacturer.
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Galimov, R. R., K. YU Maksimovich, V. V. Tikhonovskiy, and S. A. Voynash. "Evaluation of the efficiency of transport services for forage harvesters when harvesting maize for silage in Novosibirsk region." Traktory i sel'hozmashiny 1, no. 1 (2021): 73–80. http://dx.doi.org/10.31992/0321-4443-2021-1-73-80.

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An assessment of the efficiency of the enterprise for harvesting corn for silage through position-ing and monitoring of vehicles was carried out. The calculation of the required power of the forage harvester for the smooth operation of service vehicles, that are responsible for the transportation of green mass, was done. An inconsistency was revealed between the departures of loaded vehicles and the arrivals of empty vehicles. The lack of positioning and monitoring tools negatively affects the productivity of the harvesting and transport process. As a result of the research, it was found that the actual performance of the forage harvester when harvesting maize for silage is significantly lower than the theoretical performance. Through experiments, the downtime of forage harvesters in the field due to improper organization of transport services was revealed. When analyzing the state of the park of forage harvesters and vehicles, the requirements of new approaches in solving transport problems were revealed. These contribute to a radical improvement of the transport process when harvesting silage crops. The obtained calculations and patterns of change in technical and technological parameters can be used for the design of new, special agricultural vehicles, as well as in the harvesting and transport process to determine the required number of transport units, when transporting chopped green mass. On the basis of experimental data the regularities of changes in the volume of the vehicle bed on the mass of the trailer and the dependence of the change in the volume of the vehicle bed on the mass of the trailer during transportation of green mass were ob-tained.
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Dissertations / Theses on the topic "Forage harvester"

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Larson, Geremy. "Self-propelled forage harvester sales analysis." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/35746.

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Master of Agribusiness
Department of Agricultural Economics
Major Professor Not Listed
Self-propelled forage harvesters are used to make feed for livestock. Producers prefer forage made with these machines because they are able to deliver a feed value that enables improved productivity of their animals in terms of milk production for dairy animals and weight gain for beef animals. Self-propelled forage harvesters are able to make a variety of feed from different crops, including whole-plant corn silage, earlage, and haylage, among others. The self-propelled forage harvester is a complex and expensive piece of machinery for a producer to own. The self-propelled forage harvester market in the United States is a growing market, but small when compared to other equipment such as combines. In today’s environment, productivity is crucial to the success of the agricultural producer. Self-propelled forage harvesters are no exception. Growth of the self-propelled forage harvester market is reflected in increased unit sales, total horsepower sold, and average horsepower of the selfpropelled forage harvesters sold in the United States. This study looks at changes in the number and size of self-propelled forage harvesters being purchased and what factors might be driving those changes. This study found that the amount of milk produced, the type of customer purchasing the equipment, and the average price of milk a producer received explained 81.2% of the variation in the number of self-propelled forage harvesters sold from 2000- 2014. Study results also show that the size of dairy operation, the type of customer purchasing the equipment, and the average price of milk explained 88% of the variability in total horsepower of self-propelled forage harvesters sold from 2000-2014. Finally, the size of dairy operation that a typical cow comes from, the type of customer purchasing the equipment, and the average price of corn were able to explain 98% of the variation of average horsepower of self-propelled forage harvesters over that same time period. The model and analysis will be shared with product planners from John Deere as they develop new machine specifications for self-propelled forage harvesters in the future.
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Roberge, Martin. "Design and evaluation of performance of a crop processor for a pull-type forage harvester." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0020/NQ55375.pdf.

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Šimunský, Marek. "Design samojízdné sklízecí řezačky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318784.

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Main subject of this diploma thesis is design proposal of self-propelled forage harvester which uses tracks for moving. This is associated with a construction changes while technical, estetical and ergonomical requirements remain the same or will be improved.
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Garbuio, Paulo William. "INFLUÊNCIA DO CONTEÚDO DE MATÉRIA SECA E REGULAGENS DE UMA COLHEDORA DE FORRAGEM NOS TAMANHOS DE FRAGMENTOS E NA DENSIDADE DA SILAGEM DE PLANTA INTEIRA DE DOIS HÍBRIDOS DE MILHO (Zea mays L.) 2008." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2008. http://tede2.uepg.br/jspui/handle/prefix/2184.

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In Brazil, the best dairy farm efficiency levels are obtained in the cities of Castro and Carambeí, State of Paraná. This efficiency was reached due to the animal genetics and the feed management, where the corn whole plant silage has been wide used. To the highest profit of the silage, some stages must be considered. The main stages are the selection of the forage harvest point, the plants chopping and the silo compaction. This work aims to present the possible interactions between the factors: plants water content, forage harvester setup with the plant particles size and de silage compaction process. The two corn hybrids (SPEED e 2B688) studied had been harvested in five times (105, 108, 112, 118, 123 seeding after days). In every harvest time it was evaluated the relative participation of the plant components, the dry matter, the fresh mass and grains yields and the milk line, to each corn hybrid. To the silage chopping evaluation, 120 plants were harvested and chopped with a forage harvest using three setups. The chopped material was used to the particles size determination and later submitted to the compaction process. To the grains and fresh mass yield, and milk line evaluation, the treatment was the harvest times, with five replications. The analysis of variance applied completely randomized experimental design. It was analyzed the correlation between the dry matter and the milk line. The particle size and silage bulk density analysis was carried through a factorial 5x3 design with four replications, where the first factor had been the harvest times, and the second the three forage harvester setups. Only one hybrid presented a high correlation between the milk line and the dry matter, showing the milk line method to be not a good way to evaluate the dry matter of plants, and behaves by different ways according the corn hybrid. To the grains yield, the SPEED hybrid showed difference, between the first and the three last harvest times. The compaction test showed a high correlation between the green mass density with the plant maturation, where plants with highest dry matter content make the compaction more difficult. Differences was verified to the silage bulk density according to the forage harvest setup, when the chopped material in the setup to theoretical cut length (TCL) of 2mm had easy compaction that the setups to TCL of 6,5 and 11 mm. To the particle size, when evaluated the hybrid 2B688, the different plant dry matter levels had not effects in the average particle size. However, to the hybrid SPEED, the particles size reduced with the plants maturation. To the evaluated materials, the dry matter content, as well as the forage harvest setups affected the green mass bulk density and the real particles size. The forage harvest setup changes resulted in different particle sizes that the informed by the manufacturer.
No Brasil, os melhores índices em eficiência leiteira encontram-se nos municípios de Castro e Carambeí no Paraná, alcançados devido à genética dos animais e ao manejo alimentar, em que a silagem de planta inteira de milho tem sido largamente utilizada. Para o máximo aproveitamento da silagem várias etapas devem ser consideradas, tais como escolha do ponto de colheita da forragem, fragmentação das plantas bem como o processo de compactação. Neste sentido, o objetivo deste trabalho é discutir as possíveis interações entre o conteúdo de água da forragem e a regulagem da colhedora nos tamanhos de fragmentos e na densidade da silagem. Em todos os ensaios utilizaram-se dois híbridos de milho (SPEED e 2B688), sendo estes colhidos em cinco épocas (105, 108, 112, 118, 123 dias após semeadura (DAS)). Foram determinados nos genótipos a participação relativa dos componentes formadores das plantas, a matéria seca (MS), o rendimento de massa verde, seca e de grãos e a linha do leite. Para a fragmentação foram colhidas manualmente 120 plantas, estas submetidas à uma colhedora de forragem, em três regulagens. O material fragmentado foi utilizado para a determinação dos tamanhos de fragmentos e submetido ao processo de compactação. Para o rendimento de grãos, de massa verde e seca e a determinação da linha do leite, utilizaram-se como tratamentos as épocas de colheita, com cinco repetições. Os valores foram submetidos à análise de variância em delineamento inteiramente casualizado (DIC). Realizou-se também a análise de correlação entre MS e linha do leite. As análises de tamanho de fragmento e densidade da silagem foram realizadas no esquema fatorial de 5x3 com quatro repetições, onde o primeiro fator foram as épocas de colheita, o segundo três regulagens da máquina (2, 6,5 e 11 mm de comprimento teórico de fragmento (CTF)). Foi verificada estreita relação entre a linha do leite com a MS de um dos genótipos, o que mostra que esta metodologia não é a mais indicada para determinar a MS das plantas, e é variável com o genótipo. Quanto ao rendimento, houve diferença na variável grãos para o híbrido SPEED, entre a primeira e as três últimas épocas de colheita. No ensaio de compactação, observou-se alta relação entre a densidade de massa verde com a maturação da planta, em que plantas com elevado conteúdo de MS dificultam a compactação. Constataram-se também diferenças para a densidade da silagem conforme regulagens da máquina, sendo que a regulagem de 2 mm de CTF, favorece a compactação quando comparada as regulagens de 6,5 e 11 mm de CTF. No ensaio de tamanho de fragmento verificou-se que para o híbrido 2B688, os teores de MS da planta não mostraram efeito sobre o tamanho médio de fragmento porém, para o híbrido PEED verificou-se redução no tamanho de fragmento real com a maturação das plantas. Concluiu-se que, para os genótipos, o conteúdo de MS bem como as regulagens da máquina interferem na densidade de massa verde e nos tamanhos de fragmentos reais obtidos. A alteração das regulagens da máquina resulta em tamanhos de fragmentos diferentes aos indicados pelo fabricante.
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Alves, Pamela José [UNESP]. "Milho para silagem: semeadura e colheita em Latossolo sob preparo convencional." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/88289.

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A produção de silagem é atividade importante para a alimentação do rebanho brasileiro e, neste aspecto, o planejamento da produção se torna indispensável para se obter uma maior produtividade. A escolha do híbrido adequado e a maneira como será feita a semeadura influencia a produção final, interferindo quantitativa e qualitativamente no desenvolvimento da cultura. A qualidade na colheita de culturas destinadas à silagem, que envolve o tamanho de fragmentos e altura de corte, é fundamental para que as condições da silagem sejam atendidas. O presente estudo foi conduzido em área experimental do Laboratório de Máquinas e Mecanização Agrícola (LAMMA UNESP/Jaboticabal) da Universidade Estadual Paulista “Júlio de Mesquita Filho”, Câmpus de Jaboticabal, com o objetivo de avaliar: o desempenho de uma semeadora-adubadora em Latossolo sob preparo convencional; as características do material colhido e as perdas na colheita de forragem; a resistência mecânica do solo à penetração, densidade e umidade do solo, em um sistema de produção de milho para silagem. No desempenho da semeadora-adubadora, a maior velocidade proporcionou o menor consumo operacional de combustível e maior capacidade de campo. As características de desenvolvimento da cultura não foram alteradas pelas velocidades e somente a altura da planta diferiu em função dos híbridos utilizados. A densidade e a resistência mecânica do solo à penetração apresentaram valores elevados para solos mobilizados. Na colheita, o consumo de combustível foi superior quando empregada a maior rotação das facas de corte. A perda média na colheita de forragem foi de 2% da produtividade.
The silage production is an important activity for alimentation of the Brazilian herd. For higher productivity, planning is essential. The choice of hybrid and appropriate sowing change the final production. The quality at sowing affect qualitatively and quantitatively the culture development. The quality of the harvest of crops intended for silage, which involves the size of fragments and height of cut is critical to reach the silage requirements. This study was conducted in the experimental area of the Laboratório de Máquinas e Mecanização Agrícola (LAMMA UNESP/Jaboticabal) of the Universidade Estadual Paulista Júlio de Mesquita Filho”, Campus Jaboticabal. The objective of this study was to evaluate: the performance of a seeder-fertilizer in Oxisol under conventional tillage; the characteristics of the harvested matter and losses at forage harvest; the soil mechanical resistance to penetration, density and soil moisture in a production system of maize for silage. In the performance of the seeder-fertilizer, the higher speed provided the lowest fuel consumption and increased the operational field capacity. The development of the culture were not changed by the speed at seeding and only the plant height differed depending on the hybrid used. The density and soil mechanical resistance to penetration showed high values for soil mobilized. At harvest, the fuel consumption was higher than that employed the largest rotation of the cutting knives. The average loss at harvest of forage was 2% in productivity.
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Alves, Pamela José. "Milho para silagem : semeadura e colheita em Latossolo sob preparo convencional /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/88289.

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Orientador: Carlos Eduardo Angeli Furlani
Banca: Rouverson Pereira da Silva
Banca: Wilson José Oliveira de Souza
Resumo: A produção de silagem é atividade importante para a alimentação do rebanho brasileiro e, neste aspecto, o planejamento da produção se torna indispensável para se obter uma maior produtividade. A escolha do híbrido adequado e a maneira como será feita a semeadura influencia a produção final, interferindo quantitativa e qualitativamente no desenvolvimento da cultura. A qualidade na colheita de culturas destinadas à silagem, que envolve o tamanho de fragmentos e altura de corte, é fundamental para que as condições da silagem sejam atendidas. O presente estudo foi conduzido em área experimental do Laboratório de Máquinas e Mecanização Agrícola (LAMMA UNESP/Jaboticabal) da Universidade Estadual Paulista "Júlio de Mesquita Filho", Câmpus de Jaboticabal, com o objetivo de avaliar: o desempenho de uma semeadora-adubadora em Latossolo sob preparo convencional; as características do material colhido e as perdas na colheita de forragem; a resistência mecânica do solo à penetração, densidade e umidade do solo, em um sistema de produção de milho para silagem. No desempenho da semeadora-adubadora, a maior velocidade proporcionou o menor consumo operacional de combustível e maior capacidade de campo. As características de desenvolvimento da cultura não foram alteradas pelas velocidades e somente a altura da planta diferiu em função dos híbridos utilizados. A densidade e a resistência mecânica do solo à penetração apresentaram valores elevados para solos mobilizados. Na colheita, o consumo de combustível foi superior quando empregada a maior rotação das facas de corte. A perda média na colheita de forragem foi de 2% da produtividade.
Abstract: The silage production is an important activity for alimentation of the Brazilian herd. For higher productivity, planning is essential. The choice of hybrid and appropriate sowing change the final production. The quality at sowing affect qualitatively and quantitatively the culture development. The quality of the harvest of crops intended for silage, which involves the size of fragments and height of cut is critical to reach the silage requirements. This study was conducted in the experimental area of the Laboratório de Máquinas e Mecanização Agrícola (LAMMA UNESP/Jaboticabal) of the Universidade Estadual Paulista "Júlio de Mesquita Filho", Campus Jaboticabal. The objective of this study was to evaluate: the performance of a seeder-fertilizer in Oxisol under conventional tillage; the characteristics of the harvested matter and losses at forage harvest; the soil mechanical resistance to penetration, density and soil moisture in a production system of maize for silage. In the performance of the seeder-fertilizer, the higher speed provided the lowest fuel consumption and increased the operational field capacity. The development of the culture were not changed by the speed at seeding and only the plant height differed depending on the hybrid used. The density and soil mechanical resistance to penetration showed high values for soil mobilized. At harvest, the fuel consumption was higher than that employed the largest rotation of the cutting knives. The average loss at harvest of forage was 2% in productivity.
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Hráček, Petr. "Design zemědělské samojízdné řezačky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-227902.

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This diploma thesis should bring not only working machine into the branch of agricultural industry, but also new approach to design. Obviously, the contribution of technical innovations, which are required in this segment, is concerned, too. All knowledge and concepts come from the practise of this field. The project partly takes up the pre-diploma thesis called Vision of the agricultural cutting machine with container arrangement and shares some details of the concept as such. The technical part was solved during the winter term within the scope of the subject Machines and equipment. From this project will be adopted all bases of constructional innovations of agricultural machine concept.
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Suwarno. "Improvement of alfalfa forage quality by maceration at harvest." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ41629.pdf.

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Ottman, M. J. "Influence of Nitrogen Fertilizer on Alfalfa Harvestern on Short Intervals." College of Agriculture, University of Arizona (Tucson, AZ), 1995. http://hdl.handle.net/10150/201440.

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Probst, Thomas Adam. "HARVEST FREQUENCY AND CULTIVAR EFFECTS ON YIELD, QUALITY, AND REGROWTH RATE AMONG NEW ALFALFA CULTIVARS." UKnowledge, 2008. http://uknowledge.uky.edu/gradschool_theses/527.

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Alfalfa (Medicago sativa L.) is the most important forage crop in the United States and consistently produces high yields and quality, but harvest frequency is the most significant factor for maximizing forage yield and quality. The objective of this research was to determine forage yield, quality, and regrowth rate among new alfalfa cultivars under four different harvest frequencies. Some of these cultivars have been marketed as having rapid rates of regrowth after cutting to maximize the number of harvests per year. Five cultivars were placed under four harvest frequencies of 25, 30, 35, and 40 days in a split-plot design. There was a significant yield and regrowth rate effect across cultivars and harvest frequencies, but little forage quality effect during the two years of this research. These results confirm previous findings that a 35-d harvest frequency is optimal for forage yield, quality, and stand persistence.
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Books on the topic "Forage harvester"

1

F, Vallentine John, ed. Harvested forages. San Diego, Calif: Academic Press, 1999.

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Moore, Kenneth J., and Michael A. Peterson, eds. Post-Harvest Physiology and Preservation of Forages. Madison, WI, USA: Crop Science Society of America and American Society of Agronomy, 1995. http://dx.doi.org/10.2135/cssaspecpub22.

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Manske, Llewellyn L. Increasing value captured from the land natural resources: An evaluation of pasture forage and harvested forage management strategies for each range cow production period. Dickinson, N.D: North Dakota State University, Dickinson Research Extension Center, 2007.

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Manske, Llewellyn L. Increasing value captured from the land natural resources: An evaluation of pasture forage and harvested forage management strategies for each range cow production period. Dickinson, N.D: North Dakota State University, Dickinson Research Extension Center, 2007.

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Manske, Llewellyn L. Evaluation and development of twelve-month pasture and harvested forage management strategies for range cows based on capture of new wealth from the land natural resources. 2nd ed. Dickinson, N.D: North Dakota State University, Dickinson Research Extension Center, 2008.

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Manske, Llewellyn L. Evaluation and development of twelve-month pasture and harvested forage management strategies for range cows based on capture of new wealth from the land natural resources. 2nd ed. Dickinson, N.D: North Dakota State University, Dickinson Research Extension Center, 2008.

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Manske, Llewellyn L. Evaluation and development of twelve-month pasture and harvested forage management strategies for range cows based on capture of new wealth from the land natural resources. 2nd ed. Dickinson, N.D: North Dakota State University, Dickinson Research Extension Center, 2008.

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Harvested Forages. Elsevier, 1999. http://dx.doi.org/10.1016/b978-0-12-356255-5.x5022-6.

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Trace mineral contents of harvested forages. Fort Collins, CO: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1996.

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Forage, harvest, feast: A wild-inspired cuisine. Chelsea Green Publishing, 2018.

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Book chapters on the topic "Forage harvester"

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Huang, Yan, Manquan Zhao, and Hantao Liu. "Analysis of Airflow Field of Toss Device of Yellow Corn Forage Harvester." In Computer and Computing Technologies in Agriculture VII, 486–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54341-8_51.

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Berger, L. L., G. C. Fahey, L. D. Bourquin, and E. C. Titgemeyer. "Modification of Forage Quality after Harvest." In Forage Quality, Evaluation, and Utilization, 922–66. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/1994.foragequality.c23.

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Lowell, Moser E. "Post-Harvest Physiological Changes in Forage Plants." In Post-Harvest Physiology and Preservation of Forages, 1–19. Madison, WI, USA: Crop Science Society of America and American Society of Agronomy, 2015. http://dx.doi.org/10.2135/cssaspecpub22.c1.

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Roberts, Craig A. "Microbiology of Stored Forages." In Post-Harvest Physiology and Preservation of Forages, 21–38. Madison, WI, USA: Crop Science Society of America and American Society of Agronomy, 2015. http://dx.doi.org/10.2135/cssaspecpub22.c2.

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Rotz, C. Alan. "Field Curing of Forages." In Post-Harvest Physiology and Preservation of Forages, 39–66. Madison, WI, USA: Crop Science Society of America and American Society of Agronomy, 2015. http://dx.doi.org/10.2135/cssaspecpub22.c3.

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Rotz, C. Alan, and Richard E. Muck. "Changes in Forage Quality During Harvest and Storage." In Forage Quality, Evaluation, and Utilization, 828–68. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/1994.foragequality.c20.

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Sheaffer, C. C. "Legume Establishment and Harvest Management in the U.S.A." In Persistence of Forage Legumes, 277–91. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/1989.persistenceofforagelegumes.c20.

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Pottier, Eric, and William Martin-Rosset. "Chapter 11. Harvest and preservation of forages." In Equine nutrition, 385–404. The Netherlands: Wageningen Academic Publishers, 2015. http://dx.doi.org/10.3920/978-90-8686-855-1_11.

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Müller, C. E. "Impact of harvest, preservation and storage conditions on forage quality." In Forages and grazing in horse nutrition, 237–53. Wageningen: Wageningen Academic Publishers, 2012. http://dx.doi.org/10.3920/978-90-8686-755-4_29.

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Alarcon-Zuniga, B., J. J. M. Ramirez-Gonzalez, S. Quijano-Hernandez, and T. Cervantes-Martinez. "Yield Components of Three Brachiaria Species Harvested at Two Cutting Frequencies in Hueytamalco, Puebla, Mexico." In Molecular Breeding of Forage and Turf, 123–30. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-08714-6_11.

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Conference papers on the topic "Forage harvester"

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Yuan, Xiang, Yong Decheng Wang, and Jing Lin. "Household forage harvester." In 2021 ASABE Annual International Virtual Meeting, July 12-16, 2021. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2021. http://dx.doi.org/10.13031/aim.202100242.

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Zhang, Xuening, Yong You, Decheng Wang, Xianshun Sun, Jie Lv, Ziwen Guo, Peng Xu, Jun Luo, Zhiguo Ma, and Hongda Wang. "Self-propelled forage harvester." In 2020 ASABE Annual International Virtual Meeting, July 13-15, 2020. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2020. http://dx.doi.org/10.13031/aim.202000405.

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Gantsevskii, V. М., P. A. Orlovskii, А. IU Papsha, V. А. Pigenko, and S. А. Sergeev. "FORAGE HARVESTER CHOPPING MECHANISM OPTIMIZATION USING SIMULATION TECHNIQUES." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. DSTU-PRINT, 2020. http://dx.doi.org/10.23947/interagro.2020.1.455-458.

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The article gives an overview of the main functional systems of forage harvesters, describes the way to increase the productivity of the harvester by optimizing the design parameters of the chopping mechanism. The article contains an analysis of the design of the cutterhead as a part of the chopping mechanism, defines key parameters influencing the energy efficiency of the technological process, develops and applies measures to improve the energy efficiency of the chopping mechanism design.
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Kokunova, I. V. "INTELLIGENT SOLUTIONS IN THE CONSTRUCTION OF MODERN BALING MACHINES." In INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION. DSTU-Print, 2020. http://dx.doi.org/10.23947/itno.2020.208-212.

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The article shows the role of digital machine technologies used in feed production. The analysis of intelligent solutions used in the designs of modern balers from the world's leading manufacturers of agricultural machinery is carried out. It is noted that electronic systems not only perform information functions during the operation of forage harvesters, but also provide control over the operation of both individual assemblies and systems of balers, and the entire machine-tractor unit. Digital technologies make it possible to optimize the operation of the forage harvester, improve the quality of harvested forage, reduce environmental risks, improve the working conditions of machine operators, as well as increase the attractiveness and prestige of agricultural professions, and attract promising young personnel to agricultural production.
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Min Zhang and Dennis R. Buckmaster. "The Design and Evaluation of A Novel Forage Harvester." In 2001 Sacramento, CA July 29-August 1,2001. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2001. http://dx.doi.org/10.13031/2013.7344.

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"Monitoring of a forage harvester using multiple sensor fusion." In 2015 ASABE International Meeting. American Society of Agricultural and Biological Engineers, 2015. http://dx.doi.org/10.13031/aim.20152179904.

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Nedelcu, Ancuta, Radu Ciuperca, Ana Zaica, and Vasilica Stefan. "Influence of forage harvester chopping equipment on characteristics of chips." In 19th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2020. http://dx.doi.org/10.22616/erdev.2020.19.tf330.

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Smith, Larry N., and Ron Burk. "A Flexible Hydraulic System for a Self-Propelled Forage Harvester." In Agricultural Machinery Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1985. http://dx.doi.org/10.4271/851092.

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"The Modal Analysis of the Self-propelled Forage Harvester Rack." In 2014 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers, 2014. http://dx.doi.org/10.13031/aim.20141896204.

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Matthew F. Digman and Kevin J. Shinners. "Real-time Moisture Measurement on a Forage Harvester using Near Infrared Reflectance Spectroscopy." In 2006 Portland, Oregon, July 9-12, 2006. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2006. http://dx.doi.org/10.13031/2013.21433.

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Reports on the topic "Forage harvester"

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Skone, Timothy J. Diesel Forage Harvester, 615 Horsepower, Construction. Office of Scientific and Technical Information (OSTI), January 2010. http://dx.doi.org/10.2172/1509044.

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Eisenbies, Mark, Timothy Volk, Lawrence Abrahamson, Richard Shuren, Brian Stanton, John Posselius, Matt McArdle, et al. Development and Deployment of a Short Rotation Woody Crops Harvesting System Based on a Case New Holland Forage Harvester and SRC Woody Crop Header. Office of Scientific and Technical Information (OSTI), October 2014. http://dx.doi.org/10.2172/1164395.

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Butler, J., M. Downing, and A. Turhollow. Forage Harvest and Transport Costs. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/5842.

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SECRETARY OF THE AIR FORCE WASHINGTON DC. Guide To Harvest Falcon Electrical System Installation - Air Force Handbook 10-222, Volume 10. Fort Belvoir, VA: Defense Technical Information Center, May 2000. http://dx.doi.org/10.21236/ada423948.

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Massachusetts self-employed farmer killed when a corn chopper head attachment for a forage harvester falls onto him. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, October 2000. http://dx.doi.org/10.26616/nioshsface00ma014.

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