颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Range, management, --, Ethiopia, --, Awash, River, Valley","Rangelands, --, Ethiopia, --, Awash, River, Valley","Thesis, (Ph.D., (Animal,, Wildlife, and, Grassland, Sciences))--, University, of, the, Free, State,, 2003"]]

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颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Crop, residue","Crude, protein","Farming, systems","Floristic, composition","Mineral, elements","Pasture, management","Season","Supplemental, feeds","Vertisols","Cattle, --, Feeding, and, feeds, --, Ethiopia, --, Ginchi","Soil, mineralogy, --, Ethiopia, --, Ginchi","Crops, and, soils, --, Ethiopia, --, Ginchi","Thesis, (Ph.D., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2002"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Wheat, --, Ethiopia, --, Water, requirements","Plant-water, relationships, --, Ethiopia","Wheat, --, Effect, of, drought, on","Dissertation, (M.Sc.Agric., (Agronomy, and, Plant, Breeding))--University, of, the, Free, State,, 2001"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Conservation, tillage","Compaction","Crop, residue","Crop, rotation","Faba, bean","Grain, yield","Nutrient, uptake","Wheat","Wheat, --, Ethiopia, --, Yields","Cropping, systems, --, Ethiopia","Crop, residue, management, --, Ethiopia","Thesis, (Ph.D., (Soil, Science))--University, of, the, Free, State,, 2001"]]

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