颁布单位:[Stellenbosch University] |
颁布时间:2014 |
实施时间:2014 |
学科分类:[["Natural, resources, --, Africa, --, Management",, "Sustainable, development, --, Africa",, "Resource, curse, --, Africa",, "Africa, --, Economic, development",, "Africa, --, Economic, conditions",, "Conservation, of, natural, resources, --, Africa",, "UCTD",, "Dissertations, --, Public, management, and, planning",, "Theses, --, Public, management, and, planning"]]
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., (Agricultural, Economics))--University, of, the, Free, State,, 2014","Nitrogen, fertilizers","Agricultural, chemicals","Agricultural, productivity","Agriculture, --, Economic, aspects","Environmental, risk, assessment"]]