Fertilizer phosphorus management in a long-term groundnut-based cropping system
BACHITTER, Singh
Fertilizer phosphorus management in a long-term groundnut-based cropping system - Ludhiana 2002 - 136L
CROPPING SYSTEMS
CROPPING SYSTEMS SOILS -- PHOSPHORUS CONTENTS
631.452 B12F
Fertilizer phosphorus management in a long-term groundnut-based cropping system - Ludhiana 2002 - 136L
CROPPING SYSTEMS
CROPPING SYSTEMS SOILS -- PHOSPHORUS CONTENTS
631.452 B12F