颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Soil, moisture, conservation, --, South, Africa, --, Free, State","Mulching","Maize, (Zea, mays, L.)","Sunflower, (Helianthus, annus, L.)","Dissertation, (M.Sc.Agric., (Agronomy, and, Horticulture))--University, of, the, Free, State,, 2001"]]

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颁布单位：[University of the Free State] |  颁布时间：2000 |  实施时间：2000 |  学科分类：[["Corn, --, Diseases, and, pests, --, South, Africa","Corn, --, Disease, and, pest, resistance, --, Genetic, aspects","Dissertation, (M.Sc.Agric., (Plant, Breeding))--University, of, the, Free, State,, 2000"]]

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颁布单位：[University of the Free State] |  颁布时间：2000 |  实施时间：2000 |  学科分类：[["Maize","Influence","Banding","Broadcasting","Topdressing","Nitrogen","Potassium","Early, growth","Development","Plant-soil, relationships","Corn, --, South, Africa, --, Free, State, --, Fertilizers","Corn, --, South, Africa, --, Free, State, --, Growth","Dissertation, (M.Sc.Agric., (Agronomy, and, Horticulture))--University, of, the, Free, State,, 2000"]]

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颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Puccinia, hordei","Puccinia, coronata, f., sp., avenae","Puccinia, graminis, f., sp., avenae","Pathogenic, variability","Yield, loss","Barley","Oats","Oats, --, Diseases, and, pests, --, South, Africa","Barley, --, Diseases, and, pests, --, South, Africa","Rust, diseases, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Pathology))--University, of, the, Free, State,, 1999"]]

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颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Goats, --, Milk, yield","Goat, milk","Feral, goats, --, South, Africa","Dissertation, (M.Sc.Agric., (Animal, Science))--University, of, the, Free, State,, 1999"]]

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颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Phosphorous","Supplementation","Beef, cattle","Reproduction","Veld","Grazing, ruminants","Bone","Blood","Biopsies","Salt, intake","Beef, cattle, --, South, Africa, --, North-West","Phosphorus, in, animal, nutrition, --, South, Africa, --, North-West","Dissertation, (M.Sc.Agric., (Animal, Science))--University, of, the, Free, State,, 1998"]]

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颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Wheat","Leaf, rust, resistance","Lr29","Lr34","Lr35","Lr37","Quality","Yield","Leaf, rust, of, wheat","Wheat, --, Breeding, --, South, Africa","Wheat, --, Disease, and, pest, resistance","Dissertation, (M.Sc.Agric., (Plant, Breeding))--University, of, the, Free, State,, 1999"]]

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颁布单位：[University of the Free State] |  颁布时间：1998 |  实施时间：1998 |  学科分类：[["Soil, compaction, --, South, Africa, --, Free, State","Dissertation, (M.Sc.Agric., (Soil, Science))--University, of, the, Free, State,, 1998"]]

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颁布单位：[University of the Free State] |  颁布时间：1991 |  实施时间：1991 |  学科分类：[["Pastures, --, South, Africa, --, Northern, Cape","Dissertation, (M.Sc.Agric., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 1991"]]

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颁布单位：[University of the Free State] |  颁布时间：1989 |  实施时间：1989 |  学科分类：[["Dissertation, (M.Sc.Agric., (Agricultural, Economics)), University, of, the, Orange, Free, State,, 1990","Agricultural, productivity, --, South, Africa, --, Southern, Free, State","Agriculture, --, Economic, aspects, --, South, Africa, --, Southern, Free, State","Irrigation, --, Economic, aspects, --, South, Africa, --, South, Free, State"]]

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