00000nam a2200000 a 4500 20251203091605.0 631.85, D, kan Kanwar, JS. Phosphorus fixation in Indian soils: a review ed. rev. Delhi ICAR 1990 62p, 24 cm. Phosphours fertilizers Grewal, JS. Eng 100 010 _ 67932 LIBSC C 45578 45578 0 0 0 0 PU PU 1998-04-08 0 631.85, D, kan 67932 BK