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Dissertations / Theses on the topic 'Forage crops of Karakul'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Davis, Cathryn Joyce. "Cover crops for soil health and forage." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/34537.

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Master of Science<br>Department of Agronomy<br>DeAnn R. Presley<br>Cover crops have numerous benefits and while cover crops have been used for centuries, currently there are few producers in Kansas growing them and so there is a need for additional research on how cover crops affect soil properties, and on the potential for utilizing cover crops as forage. Two studies are presented in this thesis. The first study evaluated the use of cover crops in a vegetable production system as compared to a fully tilled control. This study evaluated soil physical properties in the form of wet aggregate st

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2

Samarappuli, Dulan Pravinda. "Cover Crops Impact on Energy and Forage Crops Productivity in North Dakota." Thesis, North Dakota State University, 2013. https://hdl.handle.net/10365/26929.

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Forage crops have gained interest as potential source of lignocellulosic feedstock to produce ethanol. More focus is needed on developing cropping systems to improve productivity. This study was conducted to identify the agronomic potential of six different cover crops on five different annual biomass crops. Results indicated that forage pea (Pisum sativum L. cv. Arvika) N uptake was 126 kg N ha-1 and was able to fix approximately 60 kg of N ha-1 in only 60 days in the fall. Results across locations indicated that forage sorghum (Sorghum bicolor L. Moench cv. FS-5), and sweet sorghum (Sorghum

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3

Assaeed, A. M. "Soil compaction and plant performance of forage crops." Thesis, University of Nottingham, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234679.

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4

Khan, Sartaj. "The potential of cereal-legume mixtures as forage crops." Title page, contents and abstract only, 1991. http://web4.library.adelaide.edu.au/theses/09A/09ak45.pdf.

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5

Burnett, Fiona Ann. "The nutrition of lambs offered forage brassicas." Thesis, University of Edinburgh, 1988. http://hdl.handle.net/1842/27590.

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6

Evers, Byron J. "Growing crops for biofuel and forage while conserving soil and water." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/14140.

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Master of Science<br>Department of Agronomy<br>Humberto Blanco<br>The use of renewable feedstocks to produce cellulosic ethanol is quickly becoming a reality as facilities to produce cellulosic ethanol are scheduled to open in the upcoming years. Initial feedstocks for these facilities are thought to be crop residues such as corn (Zea mays L.) and wheat (Triticum aestivum L.) residues. However, additional feedstocks, such as perennial warm-season grasses (WSG), maybe needed to meet the demands of these bioenergy facilities. Thus, the development of regional dedicated energy crop systems is a

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7

Sui, Xiaolin. "Screening forage crops suitable for remediating P-impacted soils in Florida." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0025062.

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8

Sheedy, M., M. Ottman, and T. Ramage. "Forage Production of Four Crops Grown Under Two Different Irrigation Cultures." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201051.

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9

Ottman, Michael J., and Stephen H. Husman. "Nitrogen content of green crops." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/204062.

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Application of chemical fertilizer is not permitted in production of crops certified as organic, but green manure crops may be used to supply the nutrient needs of these crops. An experiment was conducted on a commercial farm near Litchfield Park to determine the nitrogen content at plowdown of barley mixed with Austrian winter peas, Magnus peas, and/or Lana woolleypod vetch. The crop was planted on 21 October and sampled for plowdown nitrogen content on 1 March. The peas and vetch comprised less than 10% of the dry weight of the mixture since the barley grew more vigorously. The barley contai

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10

Sheedy, M., M. Ottman, and T. Ramage. "Forage Production of Four Crops Grown Under Two Different Production Cultures, 1990." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/201344.

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Forage trials of four crops grown under high-input and low-input production cultures were performed at the Maricopa Agricultural Center. Six varieties of each crop were grown to evaluate yield potential under both production cultures. Only a preplant irrigation was applied to the low-input culture, but up to four additional irrigations were applied to the high-input culture. No fertilizer application was given to low-input, but a total of 135#N/A and 75#P₂O₅/A was applied to the full production culture. Barley, durum, and wheat cultivars developed for grain yield under a low-input production c

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11

Menezes, Eduardo, and Robert Voigt. "Intercropping Studies with Different Cereal and Legume Crops." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/200576.

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An intercropping study was carried out with three legumes (field beans, cowpeas, and soybeans) and three cereals (sorghum, corn, and pearl millet) in all combinations to define the most appropriate intercropping under near optimum irrigation. The sorghum x soybean intercropping was chosen as the most appropriate for the environment.

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12

Anil, Leena. "The growth and utilization of forage maize intercrops for livestock production." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266795.

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13

Ottman, Michael J. "Historical acreage of major field crops in Arizona." College of Agriculture, University of Arizona (Tucson, AZ), 2002. http://hdl.handle.net/10150/203851.

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14

Freeman, Oliver W. II. "Winter cover crops in corn and forage sorghum rotations in the Great Plains." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/17892.

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Doctor of Philosophy<br>Department of Agronomy<br>Mary Beth Kirkham<br>In Kansas, winter cover crops have a new interest with the development of summer crops for biofuel. When a crop is harvested for bioenergy, the residue is removed leaving the soil prone to erosion during the winter. It is possible that the use of winter cover crops may allow for more residue to remain in a field while keeping the soil from blowing. Therefore, the objective of this research was to determine the effect of two winter cover crops on the growth of two biofuel crops, corn (Zea mays L.) and forage sorghum [Sorg

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15

O'Brien, Rachel Anne. "Spatial decision support for selecting tropical crops and forages in uncertain environments." Thesis, Curtin University, 2004. http://hdl.handle.net/20.500.11937/1478.

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Farmers in the developing world frequently find themselves in uncertain and risky environments: often having to make decisions based on very little information. Functional models are needed to support farmers tactical decisions. In order to develop an appropriate model, a comparison is carried out of potential modelling approaches to address the question of what to grow where. A probabilistic GlS model is identified in this research as a suitable model for this purpose. This model is implemented as the stand-alone Spatial Decision Support System (SDSS) CaNaSTA, based on trial data and expert k

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16

Gonzalez, Alma Delia Baez. "A simulation study of sorghum and pearl millet forage crops in semi-arid Mexico." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314448.

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17

O'Brien, Rachel Anne. "Spatial decision support for selecting tropical crops and forages in uncertain environments." Curtin University of Technology, Department of Spatial Sciences, 2004. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=15872.

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Farmers in the developing world frequently find themselves in uncertain and risky environments: often having to make decisions based on very little information. Functional models are needed to support farmers tactical decisions. In order to develop an appropriate model, a comparison is carried out of potential modelling approaches to address the question of what to grow where. A probabilistic GlS model is identified in this research as a suitable model for this purpose. This model is implemented as the stand-alone Spatial Decision Support System (SDSS) CaNaSTA, based on trial data and expert k

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18

Abubeker, Hassen. "Characterization and evaluation of Indigofera species as potential forage and cover crops for semi-arid and arid ecosystems." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-03292006-171339.

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19

Stasek, David Jon. "POPULATION RESPONSES OF A GENERALIST INSECT PREDATOR AND ITS PREY TO PATCH CHARACTERISTICS IN FORAGE CROPS." Miami University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=miami1250189697.

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20

Duncan, Alan J. "The physiological effects of glucosinolates and S-methyl cysteine sulphoxide on sheep consuming forage brassica crops." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/27953.

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The growth of sheep fed forage brassica crops is lower than would be predicted from the chemical composition of the crops, which are generally highly digestible and contain moderate concentrations of carbohydrate and protein. The problem has been attributed to low voluntary food intake (VFI) and among potential reasons for this is the presence, in the herbage, of secondary plant metabolites. The fate and physiological effects of two groups of compounds, the glucosinolates and S-methyl cysteine sulphoxide (SMCO) were studied in a series of in vivo and in vitro experiments. The glucosinolate bre

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21

Teuber, Winkler Osvaldo Roberto. "Agronomic Studies of Forage Brassicas as Full-Season and Cover Crops for Grazing in North Dakota." Diss., North Dakota State University, 2017. http://hdl.handle.net/10365/26046.

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Annual forages represent a good feed resource to extend the grazing season into fall and winter, providing a good quality forage for the livestock, allowing more efficient use of rangeland, and at the same time improving soil properties. Many species in the Brassicaceae family are used as forages for grazing. Forage brassicas are characterized by high forage yield, with high nutritive value, low establishment and harvest cost (direct grazing), while providing many ecosystems services. Forage brassicas can be grown as full season forage crops or as cover crops planted after a grain crop. The o

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22

Smith, S. E., W. L. Graves, and D. M. Conta. "Possible New Annual Leguminous Forages for Arizona." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201053.

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23

Clark, L. J., E. DeRosa, E. Schwenneson, and R. E. Cluff. "Pinto Bean Variety Trials in Graham and Greenlee Counties, 1988." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201076.

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Two pinto bean variety trials were grown in Greenlee and southern Graham counties. UI 114, the most commonly grown variety in both areas, was out yielded in both locations by other varieties. In Greenlee county, Luna, a New Mexico variety, surpassed UI 114 by approximately 100 pounds per acre. In Graham county, Olathe, a Colorado variety, out yielded UI 114 by more than 250 pounds per acre. At $40 per hundredweight, the latter difference translates into more than $100 per acre.

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24

Cox, J. R., and J. L. Stroehlein. "Climatic and Edaphic Conditions at Lehmann Lovegrass Sites in Southeastern Arizona and the Republic of South Africa." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201077.

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25

Otani, Jennifer K. "Lygus elisus (Van Duzee) and Lygus borealis (Kelton) reproduction in canola and forage crops in southern Alberta." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0020/MQ53120.pdf.

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26

Felske, Wolfgang. "Cropping system effects on soil erosion and productivity of food and forage crops in tropical Andean hillside farming /." Beuren ; Stuttgart : Grauer, 2000. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=009586921&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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27

Müller, Francuois L. "Native legume species from the Northern Cape province of South Africa and their potential use as forage crops." University of Western Cape, 2021. http://hdl.handle.net/11394/7932.

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Philosophiae Doctor - PhD<br>The lack of bioclimatically suitable forage species for livestock production in the water-limited agro-ecological areas of South Africa has resulted in significant feed shortages within these areas during the ongoing drought experienced within the country. This, in turn, has resulted in significant livestock mortalities leading to financial difficulties for the farmers and farming communities within these areas. Thus, many of the water-limited agro-ecological areas in South Africa have been declared disaster areas. These cyclic long-term droughts, as well as more c

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28

Smith, Luke B. "Overseeding annual ryegrass and cereal rye into soybean for winter forage and as a cover crop for weed control and soil conservation." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/4312.

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Thesis (M.S.)--University of Missouri-Columbia, 2005.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (July 14, 2006) Includes bibliographical references.

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29

Stringer, Carol Elizabeth. "EVALUATING HEMP (CANNABIS SATIVA) AS A FORAGE BASED ON YIELD, NUTRITIVE ANALYSIS, AND MORPHOLOGICAL COMPOSITION." UKnowledge, 2018. https://uknowledge.uky.edu/pss_etds/104.

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This experiment examined the forage potential of hemp (Cannabis sativa) and kenaf (Hibiscus cannabinus). The objectives were to evaluate yield and forage nutritive value (i.e. NDF, ADF, ADL, IVTD, and CP) fluctuations over the course of a growing season based on planting date, morphological composition, and management. Three types of hemp (grain, fiber, and a dual- purpose type) and kenaf were planted on two dates and were sampled approximately every two weeks throughout the growing season at the University of Kentucky (UK) Research Farm in Lexington, KY. Subsamples were separated into morphol

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30

Azo, Winifred Munyu. "Development of forage lupin and spring-sown cereals as bi-crops suitable for organic livestock production in the UK." Thesis, Coventry University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492370.

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Economic and environmental considerations are driving the need for a reliable supply of home grown high protein non-grass forage for organic livestock production. A review of literature highlighted the potential of three lupin species as mono-crops or bi-crops with spring sown cereals, for this purpose. The Conductance model was postulated as a potential tool for predicting the yields and protein contents of such crops and for selecting seeding rates for optimizing protein and dry matter yield. Field trials were carried out in 2005 and 2006 at the Royal Agricultural College, Cirencester, Glouc

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31

Ali, Iftikhar. "Influence of treating corn stover and sorghum forage with different nitrogen sources on nutritive value for ruminants." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39982.

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Experiments were conducted to determine: 1) the fermentation characteristics and in vitro dry matter digestibility (IVDMD) of corn (<i>Zea mays</i>) stover treated with different sources of N; 2) digestibility, N utilization and palatabi1ity in sheep fed corn stover treated with different N sources; and 3) fermentation characteristics and nutrient utilization by sheep of sorghum (<i>Sorghum bicolor</i> L., Moench) forage treated with urea an poultry litter. In a small silo study, corn stover was ensiled untreated or after treatment with 3% aqueous NH₃, 50% and 75% poultry litter, 5.8% urea alo

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32

Bell, Lindsay William. "Prospects of Dorycnium species to increase water use in agricultural systems of southern Australia /." Connect to this title, 2005. http://theses.library.uwa.edu.au/adt-WU2006.0033.

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33

Dube, Ernest. "Soil fertility enhancement through appropriate fertilizer management on winter cover crops in a conservation agriculture system." Thesis, University of Fort Hare, 2012. http://hdl.handle.net/10353/d1001044.

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A study was carried out to determine the effects of oat (Avena sativa) and grazing vetch (Vicia darsycapa) winter cover crops and fertilizer application on SOM, phosphorus (P) pools, nutrient availability, nutrient uptake, maize yield and seedbanks of problematic weeds in an irrigated maize-based conservation agriculture (CA) system. A separate experiment was carried out to investigate the effects of the winter cover crops on nitrogen (N) management, N use efficiency and profitability. After four years of continuous rotation, the winter cover crops significantly (p<0.05) increased particulate

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34

Andersen, Bryce James. "Integrating Faba Bean (Vicia faba Roth) into Cropping Systems as a Cover Crop, Intercrop, and Late-Season Forage Compared with Other Legume Cover Crops in the Upper Midwest." Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/31542.

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Faba bean (Vicia faba Roth) is grown worldwide as a protein source for food, used for animal feed, and is a common cover crop in Europe, but is underutilized in Midwest farming systems. Faba bean, field pea (Pisum sativum L.), and forage pea were evaluated for biomass and chemical composition when sown after wheat. Faba bean, forage pea, balansa clover (Trifolium michelanium Savi), red clover (T. pratense L.), and rye (Secale cereale L.) were evaluated similarly when intersown into maize. Cover crops after wheat had no significant biomass differences, averaging 1210 kg ha-1, enough to support

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35

Ottman, Michael. "Feasibility of Obtaining Two Crops of Sweet Sorghum for Ethanol, MAC, 2006." College of Agriculture, University of Arizona (Tucson, AZ), 2008. http://hdl.handle.net/10150/203655.

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Sweet sorghum has potential as an energy crop in the Southwest since, compared to corn, it requires less fertilizer and water, is cheaper to grow, and requires less energy to process into ethanol. The purpose of this study is to determine the feasibility of obtaining two crops of sweet sorghum from a single seeding. Two cultivars of sweet sorghum were seeded at early and late dates at the Maricopa Agricultural Center in 2006. Two crops of sweet sorghum were obtained in our study with a short season cultivar Bundle King, but not with the longer season cultivar MMR 327/36. The ethanol yield of B

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36

MacDonald, Tim. "The effects of excessive liquid hog manure applications on phosphorus concentrations in soil and surface runoff from corn and forage crops." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0033/MQ64398.pdf.

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37

Phuc, Bui Huy Nhu. "Tropical forages for growing pigs : digestion and nutritive value /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5755-6.pdf.

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38

Qamar, Imtiaz Ahmad. "The effect of defoliation of vetch, barley and their mixtures on forage yield, quality and residual effects on succeeding crops in the rainfed areas of Pakistan." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363813.

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39

Steffen, Edwin, and Silvia Bergknecht. "Futterpflanzen und Klimawandel : Bewertung von Arten und Sorten landwirtschaftlicher Futterpflanzen in ihrer Reaktion auf veränderte klimatische Bedingungen." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1165231609815-56935.

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40

Absher, Karen Lynne. "Nitrogen utilization in tall fescue (Festuca arundinacea Schreb.) pastures fertilized with nitrogen or grown with alfalfa (Medicago sativa L.) or red clover (Trifolium pratense L.)." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/44100.

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<p>Use of legumes as an alternative to nitrogen (N) fertilization in pasture management improves forage quality and animal performance and has been suggested to reduce the potential for environmental pollution. "Kentucky 3l" tall fescue fertilized with 160 kg N ha-1 yr-1 (split application) was compared to tall fescue grown with alfalfa or red clover in a 5-yr pasture experiment on a mixed Typic Hapludult. During yr 6, effects of N fertilization or the legume on soil N, forage N concentration, yield, botanical composition, N intake by esophageally fistulated steers grazing the pastures

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41

Aiolfi, Ricardo Beffart. "Adaptação de cultivares diploides e tetraploides de azevém anual às condições climáticas do sudoeste do Paraná." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/1728.

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CAPES<br>O azevém anual é uma das espécies que melhor atende as necessidades dos agropecuaristas da região sul do Brasil durante o período hibernal do ano. O melhoramento genético do azevém anual há muitos anos vem desenvolvendo materiais superiores, diploides e tetraploides, que, apesar dos seus maiores preços de sementes, estão sendo utilizados pelos produtores devido ao seu melhor desempenho e qualidade. O objetivo desta pesquisa foi avaliar o comportamento de diferentes cultivares de azevém anual – diploides e tetraploides, sob pastejo, às condições climáticas do sudoeste do Paraná. O expe

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42

Bell, Lindsay William. "Prospects of Dorycnium species to increase water use in agricultural systems of southern Australia." University of Western Australia. School of Plant Biology, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0033.

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[Truncated abstract] Dryland salinity is a major environmental challenge facing agriculture in Australia. One option to manage dryland salinity is the use of perennial forages that increase water use of agricultural systems. However, the current array of perennial forages is limited. Forage species that satisfy the range of climatic and edaphic environments, and production systems, in southern Australia are needed (Chapter 1). In particular, low rainfall regions lack options other than lucerne (Medicago sativa L.) (Chapter 1). The Dorycnium genus (canary clovers) contains perennial species tha

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43

Müller, Cecilia. "Wrapped forages for horses /." Uppsala : Dept. of Animal Nutrition and Management, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200744.pdf.

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44

SILVA, Hiran Marcelo Siqueira da. "Caracterização do solo e do sistema radicular em pastagens de Pennisetum purpureum schum. manejadas sob diferentes intensidades de manejo em Itambé-PE." Universidade Federal Rural de Pernambuco, 2013. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6821.

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Submitted by (edna.saturno@ufrpe.br) on 2017-04-27T12:57:30Z No. of bitstreams: 1 Hiran Marcelo Siqueira da Silva.pdf: 681757 bytes, checksum: 615f7dc1968ee600a6eb6b2a3d54b5da (MD5)<br>Made available in DSpace on 2017-04-27T12:57:30Z (GMT). No. of bitstreams: 1 Hiran Marcelo Siqueira da Silva.pdf: 681757 bytes, checksum: 615f7dc1968ee600a6eb6b2a3d54b5da (MD5) Previous issue date: 2013-02-28<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>The physical properties of the soil can be affected by stocking rate. When stocking rates are applied correctly can

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45

Walker, Keitirele Patricia. "Productivity of four fodder tree species, their nutritional value and potential role in ruminant production in Eastern Botswana." Thesis, Stellenbosch : University of Stellenbosch, 2007. http://hdl.handle.net/10019.1/1421.

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Thesis (PhD (Forest and Wood Science))—University of Stellenbosch, 2007.<br>Sustainable livestock production in semi-arid Botswana could be improved through tree planting on-farm to provide much needed protein and shade. Such action can be encouraged if the growth, productivity, nutritional value of trees and their contribution to mass gain of livestock are known.. A study at Malotwana investigated two indigenous species, Acacia galpinii and Faidherbia albida, and two exotic species, Leucaena diversifolia and L. leucocephala, at three spacings in a randomised complete block design replicated f

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46

Hanyani, Charles Tawanda. "Effect of full and semi-scavenging rearing systems on crop contents and the quality of meat from village chickens during spring season of Eastern Cape, South Africa." Thesis, University of Fort Hare, 2012. http://hdl.handle.net/10353/440.

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The objective of this study was to compare the nutrient status of full scavenging and semi-scavenging village chicken production systems. The semi-scavenging chickens were given broiler finisher mash between 14-24 weeks of age, whilst the full scavenging relied on natural foraging. The study also sought to compare the quality of meat from chickens from the two systems. After slaughtering the chickens, the crop contents were physically separated and analysed for chemical composition. Meat pH and colour were measured on the breast muscle of individual carcasses and a consumer sensory evaluation

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47

Stefani, Faé Giovani. "Integrating Livestock And Winter Annual Forages Into A No-Till Corn Silage System." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1228162408.

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48

Meeske, Robin. "The effect of inoculants on silage fermentation properties and on animal production." Thesis, Stellenbosch : University of Stellenbosch, 2000. http://hdl.handle.net/10019.1/14770.

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162 leaves printed on single pages, preliminary pages i- vii and numbered pages 1-152. Includes bibliography and abbreviations.<br>Digitized at 600 dpi grayscale to pdf format (OCR), using a Bizhub 250 Konica Minolta Scanner.<br>Thesis (PhD(Agric))--University of Stellenbosch, 2000.<br>ENGLISH ABSTRACT: Maize, forage sorghum, lucerne, oats, barley and triticale are the most common silage crops in South Africa, while tropical grasses like Eragrostis curvula and Digitaria eriantha are ensiled to a lesser extent. The aim of this study was to determine the effect of adding a lactic acid bacter

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Meiss, Helmut. "Diversifying crop rotations with temporary grasslands : potentials for weed mangement and farmland biodiversity." Phd thesis, Université de Bourgogne, 2010. http://tel.archives-ouvertes.fr/tel-00575607.

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Crop rotation may be used to prevent the continuous selection of particular weed species adapted to one crop type. This might be useful for weed management, economy in herbicide applications and promoting biodiversity. Common simple crop sequences might be diversified by introducing perennial forage crops. Impacts of such perennial crops on weeds were studied with four approaches : 1) Large-scale weed surveys in 632 fields in western France showed that weed species composition differed most strongly between perennial alfalfa crops and annual crops. Comparisons of fields before, during and afte

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Pan, Zhiliang. "The culture of bee forage crops /." 1997. https://scholarworks.umass.edu/theses/3467.

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