TY  - GEN
AU  - Dilip Kumar Das
TI  - Introductory Soil Science
AV  - 010 
U1  - 631.4 DIL 
PY  - 1996///
CY  - New Delhi
PB  -  Kalyani
KW  - plant growth, Nutrition, manures, fertilizers, radio isotopes
ER  -