TY  - GEN
AU  - Havlin, John L.
AU  - bEATON, jAMES d.
AU  - Tisdale, Samuel L.
AU  - Nelson, Werner L.
TI  - Soil fertility and fertilizers: an introduction to nutrient management
SN  - 9788120348684
U1  - 631.422 
PY  - 1956///
CY  - Delhi
PB  - PHI Learning
KW  - Soil fertility
KW  - Soils
KW  - Soil science
ER  -