TY  - GEN
AU  - Soil fertility and fertilizers
TI  - Soil fertility and fertilizers
SN  - 81-203-0975-8 :
U1  - 631.422 
PY  - 1995///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - SOIL SCIENCE
N1  - Includes index
ER  -