TY  - BOOK
AU  - Kanwar, J.S.;Datta, N.P.;Bains, S.S.
TI  - Proceedings of the international symposium on soil fertility evaluation. Vol. 1 (editorial board) J.S. Kanwar; N.P. Datta; S.S. Bains  
PY  - 1971///
CY  - New Delhi
PB  - Indian Society of Soil Science
KW  - Soil fertility--Congresses
ER  -