TY  - GEN
AU  - Tisdale, Samuel L
AU  - Beaton, James D
AU  - Havlin, John L
AU  - Nelson, Werner L
TI  - Soil fertility and fertilizers
SN  - 8120309758
U1  - 631.42 
PY  - 2002///
CY  - New Delhi
PB  - Prentice-Hall
KW  - AGRICULTURE
KW  - Fertilizers
ER  -