TY  - BOOK
AU  - Mittra, Mrinal Kanti
TI  - Natural agriculture in the tropics: Some experimentation in India 
U1  - 631.5840954 20
PY  - 1987///
CY  - Calcutta
PB  - Mrinal Kanti Mittra
KW  - Technology
KW  - Agriculture and related technologies
KW  - Agriculture
KW  - India
ER  -