Phosphorus in Soils, Crops and Fertilizers.
Indian Society of Soil Science
Phosphorus in Soils, Crops and Fertilizers. - New Delhi. ISSS 1979 - 611p. - Bulletin No. 12. .
631.85 IND-P
Phosphorus in Soils, Crops and Fertilizers. - New Delhi. ISSS 1979 - 611p. - Bulletin No. 12. .
631.85 IND-P