TY  - BOOK
AU  - Grewal  JS
TI  - Potassium and Ammonium Fixation in Indian Soils
U1  - 631.4(54) 
PY  - 1973///
CY  - NEW DELHI
PB  - ICAR
KW  - Potassium and Ammonium Fixation in Indian Soils
ER  -