Bull. Spec. CORESTA Symposium, Kallithea, 1990, p. 119, A10, ISSN.0525-6240
Effect of nitogen fertilizer levels on some economic and agronomic characteristics of burley tobacco
State Center for Tobacco Pro. & Dev. Arbil. Iraq.
Four rates of nitrogen fertilizer (0, 152, 180, and 212 Kg/ha active ingredient) were applied to silty clay soil in two years experiment at Bakrjo Research Station in Sulaimaniyah, Iraq, to determine their effects on certain agronomic (plant height, leaf ...