TY  - BOOK
AU  - Kanwar, J.S., ed.
AU  - Bhumbla, D.R., ed.
AU  - Biswas, T.D., ed.
AU  - Datta, N.P., ed.
TI  - International symposium on soil fertility evaluation proceedings : v. 2
PY  - 1971///
CY  - New Delhi
PB  - International Symposium on Soil Fertility Evalution
ER  -