J. Achieng

Effect of farmyard manure and inorganic fertilizers on maize production on Alfisols and Ultisols in Kakamega, western Kenya.

G. Ouma, F. Muyekho, G. Odhiambo, 2010 .

Use of Organic Inputs in Management of Alfisols and Ultisols for Sustainable Maize Production in Western Kenya

G. Ouma, G. Odhiambo, J. Achieng, 2013 .

Effect of Tithonia diversifolia (Hemsley) and inorganic fertilizers on maize yield on Alfisols and Ultisols of Western Kenya.

G. Ouma, F. Muyekho, G. Odhiambo, 2010 .