TY  - BOOK
AU  - Karamjit Singh
TI  - Response of two potato varieties to various levels of nitrogen and irrigation
U1  - T 635.21 K12R 
PY  - 1969///
CY  - Ludhiana
PB  - PAU
KW  - POTATOES -- FERTILIZERS AND MANURES
KW  - POTATOES -- IRRIGATION
ER  -