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颁布单位:[University of the Free State] |
颁布时间:2013 |
实施时间:2013 |
学科分类:[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2013","Nitrogen, fertilizers","Crops, and, nitrogen","Plants, --, Effect, of, nitrogen, on","Beetroot","Beta, vulgaris, L.","Limestone, ammonium, nitrate","Ammonium, nitrate, urea","Ammonium, sulphate","Growth","Yield","Quality"]]
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颁布单位:[University of the Free State] |
颁布时间:2008 |
实施时间:2008 |
学科分类:[["Nitrogen, application, level","Nitrogen, application, time","Leaf, number","Leaf, area","Leaf, fresh, mass","Leaf, dry, mass","Leaf, nitrogen, content","Leaf, nitrate, content","Swiss, chard, --, Fertilizers","Nitrogen, fertilizers","Swiss, chard, --, Yields","Swiss, chard, --, Quality","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2008"]]
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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:[["Upward, mass, flow","Groundwater, nitrate, concentration","Shallow, water, tables","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002","Nitrates, --, Environmental, aspects","Groundwater, tracers","Hydrogeology, --, Methodology","Water, table"]]