Effects of nitrogen, phosphorus, potash and calcium in various combination and doses on the growth and yield cowpea (Vigna unguiculata) and yield of wheat, Triticum vulgare.

Girraj, K.

Effects of nitrogen, phosphorus, potash and calcium in various combination and doses on the growth and yield cowpea (Vigna unguiculata) and yield of wheat, Triticum vulgare. - 104p.




Fertilizer combinations
Experimentation crop yield
Wheats
Phosphate fertilizer
Potash fertilizers
Nitrogen fertilizers
Cowpeas
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