Effect of farmyard manure and inorganic fertilizers on maize production on Alfisols and Ultisols in Kakamega, western Kenya. Submitted by drupal_dev on Sun, 03/14/2021 - 10:14 Publication Year 2010 Achieng, J.O.; Ouma, G.; Odhiambo, G.; Muyekho, F. Agriculture and Biology Journal of North America, 1(4), 430-439
