Nutrient status of soils from farmers’ maize fields in mid altitude areas of Western Ethiopia
Date of publication:
2015
nitrogen
Row arrangement and nitrogen effects on growth yield of sorghum-legume intercrops
Date of publication:
2005
A study of the effects of Nitrogen , phosphorus and potassium fertilizers on the dry matter yield and chemical composition of amaranthus hybridus sub-species hybridus (green head)
Date of publication:
1980
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