TY - JA AU - Salih,A.A. TI - Effect of tillage systems and micronutrients on cotton performance and yield [Sudan] U1 - 91-078277 PY - 1991/// KW - Africa KW - Africa south of Sahara KW - Application methods KW - Arab countries KW - Chemicophysical properties KW - Crop husbandry KW - Cultivation KW - AGROVOC KW - Density KW - East Africa KW - Malvaceae KW - Natural resources KW - Plant physiology Nutrition KW - Soil chemicophysical properties KW - Soil cultivation KW - Water resources KW - Yields N1 - 1 table; ill. Summary (En) ARC, POB 126, Wad Medani - Sudan T2 - Annual Report of the Gezira Agric. Research Station (Sudan). 1986-87. (Feb 1991). p. 188-192 ER -