TY  - BOOK
AU  - Krishna,K.R.
TI  - Agroecosystems: soils, climate, crops, nutrient dynamics, and productivity 
SN  - 9781926895482
PY  - 2014///
CY  - Toronto
PB  - Apple Academic Press
KW  - Agricultural ecology
KW  - Crops
KW  - Agricultural productivity
ER  -