TY  - BOOK
AU  - Ranjit Singh
TI  - Studies on the effects of three levels each of N, P and K on plant growth, and yield and quality of the fruits of strawberry (Fragaria vesca L.) in the doon valley
U1  - T 634.75 R18S 
PY  - 1960///
CY  - Ludhiana
PB  - PAU
ER  -