Effect of Tillage on the Growth and Yield of Cowpea Varieties in Sudan Savanna Agroecology of Northern Nigeria
Sylvester U. Ewansiha, Udensi E. Udensi & Alpha Y. Kamara · Annual Research & Review in Biology · 2014
Field study was conducted during the rainy seasons (July-November) of 2007, 2008, 2009 and 2010 at the Research Farm of the International Institute of Tropical Agriculture (IITA) Minjibir, Kano State, Nigeria; to compare responses of six cowpea varieties to tillage. The treatment...
Open access
Research Article
10.9734/ARRB/2015/11649