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Nitrogen

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Soil-plant carbon stocks in the weatherley catchment after conversion from grassland to forestry

颁布单位：[University of the Free State] | 颁布时间：2012 | 实施时间：2012 | 学科分类：[["Soils, --, Carbon, content, --, South, Africa, --, Eastern, Cape","Soils, --, Nitrogen, content, --, Eastern, Cape","Soils, --, Organic, compound, content, --, South, Africa, --, Eastern, Cape","Afforestation, --, South, Africa, --, Eastern, Cape","Dissertation, (M.Sc., (Soil,, Crop, and, Climate, Studies))--University, of, the, Free, State,, 2012","Soil, organic, matter","Nitrogen, stocks","Carbon, stocks","Biomass"]]

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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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