TY  - BOOK
AU  - Thompson,Louis M.
AU  - Troeh,Frederick R.
TI  - Soils and soil fertility
U1  - 631.4 
PY  - 1973///
CY  - New Delhi
PB  - Tata McGraw-Hill Education
KW  - Soil fertility
KW  - Soil science
KW  - Soil productivity
KW  - Soils
KW  - Fertilizet movement
KW  - Soil formation
N1  - Includes index
ER  -