TY  - GEN
AU  - Nambiar, K K M
TI  - Soil fertility and crop productivity under long-term fertilizer use in India
SN  - Nil
AV  - 010 
U1  - 631.422 54 NAM 
CY  - Newdelhi, I C A R
KW  - Soil fertility/crop productivity/fertilizer-India
N1  - Nil; Nil
ER  -