TY  - BOOK
AU  - Chakravarty, L.N.
TI  - Inter-relation of delta and the depth of irrigation andf the lavel of nitrogen on the potato crop : thesis submitted in patrial fulfilment of the requirement for the associateship of the Indian agricultural research institute New Delhi
PY  - 1958///
CY  - New Delhi
PB  - Indian Agricultural Research Institute
ER  -