TY  - GEN
AU  - Samuel L. Tisdale, Werner L. Nelson, James D. Beaton
AU  - John L. Havlin
TI  - Soil Fertility and Fertilizer
SN  - 8120309758
U1  - 631.8 22
PY  - 1993///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Soil Fertilizers
N1  - Agriculture
ER  -