TY  - BOOK
AU  - Srivastava, P.C
AU  - Gupta, U.C
TI  - Trace element in crop production
SN  - 8120410858
U1  - 631.5 
PY  - 1996///
CY  - New Delhi
PB  - Oxford and IBH
KW  - Agricultural processing - Inida
KW  - Agricultural productivity
ER  -