Effect of three decade long application of chemical fertilizer and amendments on crop yield under maize - wheat cropping system in an acid alfisol Journal title: Journal of Applied and Natural Science Authors: R. Sharma, Vandana Kaushal, Gayatri Verma, S. Sharma Subject(s):
Yield comparison of dry-land wheat promising lines in temperate regions of Lorestan provience, Iran Journal title: Scientia Agriculturae Authors: Ezatollah Nabaty, Morad Shaban Subject(s):