TY  - BOOK
AU  - Sukhwinder Singh
TI  - Potassium supplying status of bench-mark soils of Punjab
U1  - T 631.495.45 S92P 
PY  - 1979///
CY  - Ludhiana
PB  - PAU
KW  - SOILS -- PUNJAB
KW  - SOILS -- POTASSIUM CONTENT
ER  -