TY  - BOOK
TI  - Soil fertility maps of India
T2  - At the head of the title: IARI; 1980, 75th anniversary
U1  - TR631.45(540)(084.3)   M0 
PY  - 1980///
CY  - New Delhi
KW  - Indian Agricultural Research Institute (New Delhi)
KW  - Soil fertility maps-India
ER  -