تصفح QU Ceased Journals حسب المؤلف "Wasfi, M. A."
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Studies on growth and chemical composition of tobacco varieties. IV - comparative effects of various combinations of fertilizers on economic potentialities of tobacco plants
Younis, M. E. [محمود الباز يونس]; Wasfi, M. A. ( Qatar University , 1987 , Article)In two experiments, tobacco plants were treated with various combinations of ammonium nitrate (23% N) and compound C (3.5% N, 23% P and 16% K). At all levels used in experiment I, stem length and number of leaves were ...