Changes in Phosphorus supply parameters of Soils in relation to its uptake by rice and wheat
Evaluation of indigenous phosphate rocks as straight phosphatic fertilizers
Mineralization - immobilization of nitrogen as influenced by green manure and urea in straw amended soils
Some factors affecting direct use of low grade Mussoorie rockphosphate
Phosphorus availability in some alfisols of Bihar as aggected by liming and fertilizer application
Fate of applied urea nitrogen in rice-wheat cropping system
