TY  - BOOK
AU  - Krishna,K.R.
TI  - Maize agroecosystem: nutrient dynamics and productivity 
SN  - 9781926895086
U1  - 633.15 23
PY  - 2013///
CY  - Toronto
PB  - Apple Academic Press
KW  - Corn
KW  - Crop science
KW  - Phytotechnie
N1  - Includes bibliographical refernce and index
ER  -