TY  - BOOK
AU  - Sahai, V N 
TI  - Fundamentals of soil 
SN  - 9789327212778
U1  - 631.4 
PY  - 1990///
CY  - Ludhiana 
PB  - Kalyani publishers 
KW  - Soil water
KW  - Acid soil
KW  - Organic farming
KW  - Soil organisms
ER  -