TY  - GEN
AU  - Somasundaram, E.
TI  - Agronomy principles & practices
SN  - 9789385516740
U1  - 630 
PY  - 2017///
CY  - Delhi
PB  - NIPA
N1  - 1. Agriculture
2.Agricultural heritage in India
3.Agronomy and Agroclimate zones
4. Crops and cropping system
5. Factors affecting crop production
6. Soils
7. Seasons
8. Systems of farming
9. Tillage and tilth
10. Seed and sowing
ER  -