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Tesis sobre el tema "High yielding"

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Publicado: 4 de junio de 2021
Última modificación: 25 de julio de 2025

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1

Hattan, Andrew Joseph. "Energy utilisation in high yielding dairy cows." Thesis, University of Reading, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288678.

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2

Bielawski, Marcin. "Efficient and High-Yielding Routes to Diaryliodonium Salts." Licentiate thesis, Stockholm : Department of Organic Chemistry, Stockholm University, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-7969.

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3

Tollefson, Scott. "High Yielding Short Season Cotton Production in Arizona." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/204475.

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4

Errington, Meredith. "Nitrogen, Phosphorus and Potassium Redistribution in High-Yielding cotton." Thesis, The University of Sydney, 2013. http://hdl.handle.net/2123/9489.

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Abstract The redistribution of nutrients from one tissue to another is an important process in cotton plants, supplying bolls with the resources required for growth and development. Cotton growth models generally describe redistribution as a supplementary physiological mechanism to supply developing bolls with nutrients when root uptake is limited or inadequate. Despite its acknowledged importance, redistribution is a poorly-described process. The potential remobilisation and subsequent redistribution of vegetative nutrients has been estimated at between 40 and 70% for Nitrogen (
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5

Prasad, Rajib. "Identification of high seed yielding and stable fenugreek mutants." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2011, 2011. http://hdl.handle.net/10133/3118.

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Fenugreek (Trigonella foenum-graecum L.) was recently introduced to western Canada as a forage crop. To reach its full potential, high yielding, early maturing fenugreek cultivars that produce good seed yield and quality within 100 frost free days need to be developed. In this study, mutation breeding approach was used on five locally adapted fenugreek genotypes to generate variants showing improved seed yield and yield attributing traits that can be used for cultivar development. Mutant generations of these plants were evaluated in multi-location, multi-year trials, and individual plants were
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6

Charlton, Gemma Louise. "The welfare implications of grazing high yielding diary cows." Thesis, Harper Adams University College, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.542599.

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7

Halm, Grant Bernard. "Domestic market opportunities for high yielding semi-dwarf wheat varieties." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61963.

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8

Yang, Hsiao-Hsi. "Effects of rubber particle cavitation on the yielding of high impact polystyrene." Thesis, Cranfield University, 1997. http://dspace.lib.cranfield.ac.uk/handle/1826/11337.

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A pre-damage method was developed to determine whether rubber particle cavitation is responsible for craze initiation, or vice versa. Tensile tests were carried out on pre-strained high impact polystyrene (HIPS) specimens which had been annealed above 100 °C to heal any crazes formed in the PS matrix during pre-straining. Moderate prestraining followed by annealing was found to reduce the yield stress of the HIPS, but not the post-yield flow stress. These observations are related to cavitation for the rubber particles, which results in a fibrillar structure within the rubber membranes of a typ
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9

Cooper, Marc Damien. "The behavioural need for lying and feeding in the high yielding dairy cow." Thesis, Open University, 2003. http://oro.open.ac.uk/54158/.

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Experiments were conducted to examine the impact of high milk yields on the behaviour and welfare of dairy cows. A preliminary study determined the social interactions existing within a group of 60 cows from which sub-samples of 20 high and 20 low yielding cows, that were not observed to interact with each other, were identified. These cows were used to examine the behavioural strategies employed by dairy cows coping with increased nutritional demands from milk production. Grazing time significantly increased with milk yield, consequently reducing lying time. A second study measured the appeti
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10

Law, Ryan Andrew. "Effect of energy and protein on fertility and behaviour in high yielding dairy cows." Thesis, Queen's University Belfast, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486237.

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A series of studies were conducted to investigate the effects of dietary energy and protein supply on behaviour and fertility in the modem high yielding dairy cow. The results demonstrate few direct dietary treatment effects on reproductive perform'ance. However, dietary strategies which alleviate severe negative energy balance in the early post partum period are beneficial to reproductive performance. A more positive energy balance in early lactation was associated with improved ovarian function, namely; earlier commencement to luteal activity, and improved luteal function (essential for embr
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11

Singh, Satya Ram, University of Western Sydney, of Science Technology and Agriculture Faculty, and School of Horticulture. "Biology of the rice leafroller Cnaphalocrocis (Marasmia) exigua (Butler) (Lepidoptera: Pyralidae: Pauristinae) in Fiji." THESIS_FTA_HOR_SINGH_S.xml, 1997. http://handle.uws.edu.au:8081/1959.7/443.

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The rice leafroller Cnaphalocrocis exigua (Butler) in the only species of the rice leaf folder/roller complex in Fiji. It is one of the major rice pests in the country, its pest status being exacerbrated by the cultivation of high-yielding varieties with minimal pest resistance. Detailed studies on the biology of the moth, in particular on the development, emergence, mating and flight behaviour, effect of adult nutrition on fecundity, egg hatchability and longevity, effect of larval nutrition on larval survival, pupation, pupal weight, pupal eclosion, and fecundity, egg hatchability and longev
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12

Victoria, Melanie Villanueva. "Agricultural Technolongy in Bangladesh: a Study on Non-Farm Labor and Adoption by Gender." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34262.

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There is growing interest in learning the impacts of agricultural technologies especially in developing economies. Economic analysis may entail assessment of employment and time allocation effects of new technologies. An issue of importance in South Asia is the impacts of technological change on a specific type of occupation: rural non-farm activities. In order to fully understand these effects, the research must integrate gender differences and determine if the results would be similar irrespective of gender. This paper particularly looks at the effects of HYV adoption on time allocatio
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13

Piñera, Chavez Francsico Javier. "Identifying traits and developing genetic sources for increased lodging resistance in elite high yielding wheat cultivars." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/34045/.

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Lodging is a persistent phenomenon that reduces grain quality and grain yield of wheat. It is defined as the permanent displacement of the plant/shoots from their vertical position. During the Green revolution, wheat plant height was reduced to avoid lodging and allowed growers to increase nitrogen fertilization. This resulted in a considerable increase of grain yield. After the Green Revolution, plant growth regulators were used to further reduce plant height which continued increasing lodging resistance and grain yield. However, lodging susceptibility has not disappeared completely and as yi
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14

Kawasaki, Yohei. "Elucidation of High Yielding Soybean Characteristics through Comparison of Biomass Production Dynamics between Japanese and US Cultivars." Kyoto University, 2016. http://hdl.handle.net/2433/215606.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第19780号<br>農博第2176号<br>新制||農||1041(附属図書館)<br>学位論文||H28||N4996(農学部図書室)<br>32816<br>京都大学大学院農学研究科農学専攻<br>(主査)教授 白岩 立彦, 教授 奥本 裕, 教授 稲村 達也<br>学位規則第4条第1項該当
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15

Aeberhard, Karin Béatrice. "Husbandry, feeding, body measurements, metabolic and endocrine traits, fertility and health status in Swiss high yielding dairy cows /." [S.l.] : [s.n.], 1998. http://www.stub.unibe.ch/html/haupt/datenbanken/diss/bestell.html.

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16

Gaafar, Khalid. "Effect of fat in comparison to starch in an isoenergetic diet on the metabolism of high yielding dairy cows." Doctoral thesis, Universitätsbibliothek Leipzig, 2004. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-33740.

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The aim of the present study was to investigate, firstly, whether the substitution of dietary starch by rumen-protected fat results in visible changes in the protein metabolism by increasing the urea flux and decreasing of AA levels in blood plasma as indicators for a change of AA oxidation, secondly, whether the fat-fed cows use predominantly long chain FA in the processes of milk fat synthesis or as an energy source in oxidation processes, and thirdly, whether the ratio of glucogenic to lipogenic nutrients could affect the supply of glucose in the metabolism of dairy cows. Two experiments we
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17

Mercz, Tom Imre. "A study of high lipid yielding microalgae with potential for large-scale production of lipids and polyunsaturated fatty acids." Thesis, Mercz, Tom Imre (1994) A study of high lipid yielding microalgae with potential for large-scale production of lipids and polyunsaturated fatty acids. PhD thesis, Murdoch University, 1994. https://researchrepository.murdoch.edu.au/id/eprint/51717/.

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In this study an enrichment and isolation programme was carried out to select for high temperature (30°C) and high irradiance tolerant microalgae from saline and hypersaline environments, for potential biomass and lipid production in large-scale mass culture. The 75 isolates were dominated by pennate benthic diatoms, motile chlorophytes and cyanophytes. Seventeen diatoms and 4 chlorophytes were screened to determine which isolates had the best growth characteristics, and the highest biomass and cellular lipid content, in both indoor laboratory and outdoor glasshouse conditions. The most pr
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18

Trautwein, Julia [Verfasser]. "Lucerne silage for high yielding dairy cows : evaluation of the nutritional value using chemical and in vivo methods / Julia Trautwein." Bonn : Universitäts- und Landesbibliothek Bonn, 2018. http://d-nb.info/1152383809/34.

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19

Taylor, Victoria Jane. "The growth hormone (GH) and insuling-like growth factor (IGF) axis in relation to fertility in the high yielding dairy cow." Thesis, Royal Veterinary College (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246921.

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20

Singh, Satya Ram. "Biology of the rice leafroller Cnaphalocrocis (Marasmia) exigua (Butler) (Lepidoptera: Pyralidae: Pauristinae) in Fiji." Thesis, Richmond, N.S.W. : School of Horticulture, Faculty of Science, Technology and Agriculture, University of Western Sydney, Hawkesbury, 1997. http://handle.uws.edu.au:8081/1959.7/443.

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The rice leafroller Cnaphalocrocis exigua (Butler) in the only species of the rice leaf folder/roller complex in Fiji. It is one of the major rice pests in the country, its pest status being exacerbrated by the cultivation of high-yielding varieties with minimal pest resistance. Detailed studies on the biology of the moth, in particular on the development, emergence, mating and flight behaviour, effect of adult nutrition on fecundity, egg hatchability and longevity, effect of larval nutrition on larval survival, pupation, pupal weight, pupal eclosion, and fecundity, egg hatchability and longev
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21

Winkler, Anne [Verfasser]. "Effects of grape pomace and a polyphenolic plant product during the transition period of high-yielding dairy cows : kumulative Dissertation / Anne Winkler." Halle, 2018. http://d-nb.info/1166140717/34.

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22

Cantu, Robert. "Synthesis and Characterization of Triphenylene-BODIPY Paddle Wheel Conjugates for Ultra-Fast Light Induced Charge Separation Yielding High-Energy Charge-Separated States." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1505171/.

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In the development of covalent organic frameworks (COFs), often the scaffold linkers are assumed to be electro- and photoinactive, and this was also to be the case for 2,3,6,7,10,11-hexahydroxytriphenylene, a tritopic linker. However, as demonstrated in the present study, the reaction product of this linker, hexaoxatriphenylene, is electron rich and when connected to a suitable photosensitizer engages itself in an efficient excited-state charge separation process. In the present study, we have employed BF2-chelated dipyrromethenes (BODIPYs) as sensitizers, which are connected to hexaoxatriphen
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23

Niozas, Georgios [Verfasser], Martin [Akademischer Betreuer] Kaske, and Georgios [Akademischer Betreuer] Tsousis. "Extended lactation in high yielding cows : effects on fertility parameters, milk yield, udder health und body measurements / Georgios Niozas ; Martin Kaske, Georgios Tsousis." Hannover : Stiftung Tierärztliche Hochschule Hannover, 2019. http://d-nb.info/1202272193/34.

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24

Windhausen, Sandra Vanessa [Verfasser], and Albrecht E. [Akademischer Betreuer] Melchinger. "Strategies for selecting high-yielding and broadly adapted maize hybrids for the target environment in Eastern and Southern Africa / Sandra Vanessa Windhausen. Betreuer: Albrecht E. Melchinger." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2012. http://d-nb.info/1029506701/34.

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25

POZZA, LUCA. "Ductility and behaviour factor of wood structural systems - Theoretical and experimental development of a high ductility wood-concrete shearwall system." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3422988.

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This dissertation focuses on the seismic behavior, ductility and dissipative capacity of modern timber buildings. A number of innovations in the field of timber structures are reported with special regard to the modeling techniques suitable for timber joints and to the characterization of the seismic behavior of modern timber systems. A preliminary overview on the seismic-resistant timber building technology and on their evolution from the past to nowadays is reported in the introduction of this thesis work. A review of the state of art about the available seismic codes is also reported and t
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26

Лозовий, С. В. "Сучасний стан та особливості формування культур Сосни звичайної ДП «Чернігіврайагролісгосп»". Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/25068.

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Лозовий, С. В. Сучасний стан та особливості формування культур Сосни звичайної ДП «Чернігіврайагролісгосп» : випускна кваліфікаційна робота : 205 "Лісове господарство" / С. В. Лозовий ; керівник роботи М. М. Селінний ; НУ "Чернігівська політехніка", кафедра аграрних технологій та лісового господарства. – Чернігів, 2021. – 91 с.<br>У випускній кваліфікаційній роботі на тему «Сучасний стан та особливості формування популяції сосни звичайної ДП Чернігіврайагролісгосп» здійснено спробу відслідковування існуючої проблематики лісовідновлення з виокремленням найголовнішого аспекту, пов”язаного з проц
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27

Salvagiotti, Fernando. "Nitrogen fixation in high yielding soybean (Glycine max., L. Merr)." 2008. http://proquest.umi.com/pqdweb?did=1564016371&sid=1&Fmt=2&clientId=14215&RQT=309&VName=PQD.

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Thesis (Ph.D.)--University of Nebraska-Lincoln, 2008.<br>Title from title screen (site viewed Nov. 25, 2008). PDF text: xiv, 198 p. : ill. ; 4 Mb. UMI publication number: AAT 3315056. Includes bibliographical references. Also available in microfilm and microfiche formats.
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28

Wheelhouse, Richard T., and D.-F. Shi. "Novel, High-yielding Synthesis of meso-Substituted Porphyrins via the Direct Arylation of Porphine." 2002. http://hdl.handle.net/10454/3620.

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No<br>A new method for the synthesis of meso-substituted porphyrins is described: reaction of 5,10,15,20-tetrabromoporphine magnesium complex with aryl or heteroaryl boronic acids in the presence of Pd(PPh3)4 gave meso-substituted porphyrins in yields up to 70%.
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29

Pandey, I. Priyanka. "Explicit and implicit contracts in North Indian villages : effects of technology on incentive design /." 1999. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:9934105.

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30

Shwe, Tin Maung. "Introduction of high yielding rice varieties : implications for the hired agricultural labour market in Burma." 1990. http://hdl.handle.net/1993/17296.

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31

Yang, Chen-Feng, and 楊振峰. "Study on Influence of Machined Characteristics of Micro-hole EDM Parameters for High-yielding Steel." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/3s43ft.

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碩士<br>崑山科技大學<br>機械工程研究所<br>96<br>Micro-hole electrical discharge machining（Micro-hole EDM）has advantageous characteristics of machining for micro-components and difficult cutting materials with high hardness and high strength. However, because the effect of rapidly heating and fast cooling during the period of machining, the defects, such as micro-cracks, gas holes…etc., was easy to be induced serious influences for machined surface quality. In this study, the high yielding steel（HY-80） was employed to proceeding micro-hole electrical discharge machining and the material removal rate （MRR）,ele
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32

Kalappa, H. K. "Studies on the isolation and evolution of High Yielding multivoltine races of silkworm bombyx mori L." Thesis, 1996. http://hdl.handle.net/2009/1926.

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33

LIN, CHIA-YI, and 林佳怡. "An Empirical Study on the Relationship between the High and Low Yielding Currencies Exchange Rate Volatility." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/g9g6dw.

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34

Changaya, Albert Gideon. "Development of high yielding pigeonpea (Cajanus cajan) germplasm with resistance to Fusarium wilt (Fusarium udum) in Malawi." Thesis, 2007. http://hdl.handle.net/10413/968.

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35

Mushi, Clemence Sebastian. "The role of plant densities and growing degree days in the evaluation of high yielding corn (Zea mays L.) genotypes." 1986. http://hdl.handle.net/2097/22121.

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36

Gaafar, Khalid Mahmoud Mohamed [Verfasser]. "Effect of fat in comparison to starch in an isoenergetic diet on the metabolism of high yielding dairy cows / presented by Khalid Gaafar." 2004. http://d-nb.info/976051133/34.

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37

Mucavele, Custodio Estevao. "The economics of smallholder rice producers in Bilene-Macia District, southern Mozambique." Diss., 2001. http://hdl.handle.net/2263/29117.

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Research carried out in several countries has concluded that high yielding varieties (HYV) of rice have tremendous potential compared to traditional rice varieties in alleviating poverty. On the other hand, it is argued that despite increase in yields, high yielding varieties do not benefit the poor farmers because of high costs associated with input acquisition and other operational costs. To further understand the issues related to production and economics of HYV, this study was carried out with its primary objective to assess the profitability of smallholder rice production in Mangol, Bilen
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38

Platen, Matthias [Verfasser]. "Physiologie und Management der Beziehungen zwischen Fruchtbarkeit und Milchproduktion bei Hochleistungskühen = Physiologie and managment of the relations between milk performance and fertility in high-yielding dairy cows / von Matthias Platen." 1997. http://d-nb.info/986135801/34.

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39

Moloto, Kholofelo Caroline. "Evaluation of F3 segregation cowpea (Vigna unguiculata) population developed from insect-mediated crosses." Thesis, 2019. http://hdl.handle.net/10386/2948.

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Thesis (M.Sc. Agriculture (Agronomy) -- University of Limpopo, 2019<br>Erratic rainfall and insect infestation are some of the factors that limit cowpea production in Limpopo (Asiwe, 2009). Improved cowpea varieties available for dryland production in Limpopo do not meet the farmer’s needs. Specific trait crosses are needed to be made with adapted varieties for the purpose of developing high yielding, pest tolerant and adapted varieties. Varieties with desired specific traits were planted in isolation plots for outcrossing by insects. F1 lines derived from parental lines that were half sib see
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40

Boyd, Jamie Alice. "The effect of supplementing high yielding Holstein cows with botanical extracts, bacterial inoculants, or dietary glycerol during heat stress and the effect of dietary glycerol in transition cow diets on subsequent yield and efficiency." 2009. http://purl.galileo.usg.edu/uga%5Fetd/boyd%5Fjamie%5Fa%5F200908%5Fphd.

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