Effect of organic and inorganic sources of nitrogen on growth, seed yield and oil content of sunflower grown in highly weathered soils in Morogoro - Tanzania
Date of publication:
2014
organic fertilizers
Farming characteristics in urban districts of Nairobi county - Kenya
Date of publication:
2014
Does long-term low-rate organic and inorganic nitrogen management guarantee maize yield under semi-arid conditions of eastern Kenya?
Date of publication:
2014
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