TY  - BOOK
AU  - NARINDER Singh
TI  - Relative efficiency of organic materials and gypsum in ameliorating sodic water
U1  - 631.82 N25R 
PY  - 2001///
PB  - Ludhiana
KW  - SOILS -- GYPSUM CONTENT
KW  - SOIL CONDITIONERS
KW  - SOILS - ORGANIC MATTER
ER  -