TY  - BOOK
AU  - SAROA, Gurbachan Singh
TI  - Utilization of residual-P and the prediction of soil test-p under continuous cropping
U1  - 631.8 S16U 
PY  - 1986///
PB  - Ludhiana
KW  - SOIL FERTILITY
KW  - SOILS -- PHOSPHORUS CONTENTS
ER  -