TY  - BOOK
TI  - Soil fertility evaluation; proceedings
U1  - 631.45.001.4(100) 1971.2.12/19 (082.2)  L2.2 
PY  - 1972///
CY  - New Delhi
PB  - ISSS
KW  - International Symposium on Soil Fertility Evaluation Proceedings, New Delhi, IARI, Feb.14-19, 1971.
KW  - Soil science,Fertility
ER  -