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2002

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The economic effects of poor and fluctuating irrigation water salinity levels in the lower Vaal and Riet Rivers

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2002","Water, salinization, --, South, Africa, --, Costs","Irrigation, farming, --, Economic, aspects, --, South, Africa","Linear, programming, optimisation","Farm, level, model","SALMOD","Farm, level, management, options","Policy, Guidelines","Lower, Vaal, and, Riet, Rivers","Economic, impact","Irrigation, agriculture","Irrigation, water, salinity","Soil, salinisation"]]

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The use of amplified fragment length polymorphism (AFLP) and morphological data to determine heterotic groups in sunflower (Helianthus annuus)

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Heterosis","Sunflowers, --, Genetics","Genetic, markers","Dissertation, (M.Sc.Agric., (Plant, Sciences, (Plant, Breeding))--University, of, the, Free, State,, 2002"]]

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Genetic improvement of production and wool traits in the Elsenburg Mutton Merino flock

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Breeding","Sheep, --, Breeding","Sheep, --, Breeding, --, South, Africa, --, Elsenburg","Merino, sheep","Merino, sheep, --South, Africa, --, Elsenburg, --, Genetics","Dissertation, (M.Sc.Agric., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2002"]]

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The economic effects of poor and fluctuating irrigation water salinity levels in the lower Vaal and Riet Rivers

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Economic, impact","Irrigation, agriculture","Irrigation, water, salinity","Soil, salinisation","Linear, programming, optimisation","Farm, level, model","SALMOD","Farm, level, management, options","Policy, guidelines","Lower, Vaal, and, Riet, Rivers","Water, salinization, --, South, Africa, --, Costs","Irrigation, farming, --, Economic, aspects, --, South, Africa","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2002"]]

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Organic matter restoration by conversion of cultivated land to perennial pasture on three agro-ecosystems in the Free State

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Coarse-textured, soils","Organic, carbon","Semi-arid, agro-ecosystems","Sustainable, agriculture","Total, nitrogen","Soils, --, Nitrogen, content","Agricultural, ecology","Soil, fertility, --, South, Africa, --, Free, State","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002"]]

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Characterization of diseases of kenaf (Hibiscus cannabinus L.) in South Africa

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Kenaf, (Hibiscus, cannabinus, L.)","Kenaf, --, Diseases, and, pests, --, South, Africa","Cotton, --, Diseases, and, pests, --, Control, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Sciences))--University, of, the, Free, State,, 2002"]]

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