TY  - GEN
AU  - Tisdale; Samuel L.
AU  - Beaton  James D.
TI  - Soil fertility and fertilizers
SN  - 8120309758
U1  - 631.422 
PY  - 2002///
CY  - New Delhi
PB  - prentice Hall of India
KW  - SOIL FERTILIZERS
KW  - SOIL SCIENCE
ER  -