TY - BOOK AU - J S KANWAR, N P DATTA, S S BAIS, D R BHUMBLA & T D BISWAS TI - INTERNATIONAL SYMPOSIUM ON SOIL FERTILITY EVALUTION FRODEEDINGS U1 - 631.42 In8 P V1 PY - 1971/// CY - NEW DELHI PB - INTERNATIONL SYMPOSIUM ON SOIL FERTILITY EVALUATION KW - INTERNATIONAL SYMPOSIUM ON SOIL FERTILITY EVALUTION FRODEEDINGS ER -