颁布单位：[University of the Free State] |  颁布时间：2014 |  实施时间：2014 |  学科分类：[["Thesis, (Ph.D., (Centre, for, Development, Support))--University, of, the, Free, State,, 2014","Agricultural, conservation, --, South, Africa, --, Eastern, Free, State","Soils, --, Quality","Sustainable, agriculture, --, South, Africa, --, Eastern, Free, State","Cover, crops","Sustainability","Water, conservation","Transdisciplinary","Sociology","No-till","Conservation, agriculture"]]

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颁布单位：[University of the Free State] |  颁布时间：2014 |  实施时间：2014 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2014","Wheat, --, South, Africa, --, Eastern, Free, State","Conservation, tillage","Crop, rotation, --, South, Africa, --, Eastern, Cape","Agricultural, conservation, --, South, Africa, --, Eastern, Free, State","Production, risk","Production, cost","Dryland, wheat, production"]]

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