volume 37 issue 5 (october 2014) : 527-531, Doi: 10.5958/0976-0571.2014.00670.5
MODELLING APPROACH TO OPTIMIZE SULPHUR FERTILIZATION IN IRRIGATED SUNFLOWER UNDER SEMI-ARID CONDITIONS IN NORTH-WEST INDIAQ
1Punjab Agricultural University,
Ludhiana-141 004, India