TY - BOOK TI - Phosphorus in Indian Agriculture; an analysis of the use-pattern and means available for increasing its efficiency T2 - ENSP Technical Bulletin No.1 U1 - TR631.811.2:63(540):311.17(047.3) L6 PY - 1976/// CY - New Delhi PB - European Nitrogen Service Programme KW - Tandon, H.L.S. KW - Phosphorus Fertilizers ER -