TY  - BOOK
AU  - Tisdale, Samuel L
AU  - Nelson, Werner L
AU  - Beaton, James D
TI  - Soil fertility and fertilizers
SN  - 8120309758
U1  - 631.422 So34f5 
PY  - 2001///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Soil fertility
ER  -