TY  - BOOK
AU  - Amandeep Kaur
TI  - Physiological basis of nitrogen use efficiency in Maize(Zea mays L.) At various rates of applied Nitrogen
U1  - CD 
PY  - 2012///
CY  - Ludhiana
PB  - PAU
KW  - Field and laboratory experiments were conducted at Punja
KW  - Field and laboratory experiments were conducted at Punjab Agricultural University, Ludhiana during kharif
ER  -