TY  - GEN
AU  - Cheema, S.S.
AU  - Dhaliwal, B.K.
TI  - Agronomy Theory and Digest
SN  - 81-7096-449-8
U1  - 630.685 CHE 
CY  - New Delhi, Kalyani Publishers
KW  - Agrisilvice theory / Social Forestry / Crop Ecology / Ecological pyramids / Vernalization Cropping Systems
ER  -