TY  - BOOK
AU  - Uppal,H.L.
TI  - Green manuring of soils for increasing crop yield for stepping up food production in the country,
T2  - Food production series, no. 4
AV  - S661 
PY  - 1962///
CY  - Amritsar, Punjab
PB  - Land Reclamation, Irrigation & Power Research Institute
KW  - Green manuring
KW  - India
ER  -