Effect of nitrogen, phosphorus and potash from organic and inorganic sources
Prasad, Rajendra
Effect of nitrogen, phosphorus and potash from organic and inorganic sources - Bhagalpur BAC, Sabour 1970 - 80
Horticulture
634 P 8863 E
Effect of nitrogen, phosphorus and potash from organic and inorganic sources - Bhagalpur BAC, Sabour 1970 - 80
Horticulture
634 P 8863 E