00450nam a22001697a 4500 OSt 260502b |||||||| |||| 00| 0 eng d 631.11 D810 Dubey, Ram Kumar Optimum Nitrogen and Potassium Doses for Wheat and Time and Method of Their Application Pusa & Dholi RAU 1976 72P. vi Msc. 1976 Agronomy Msc. ddc T 50358 50358