Working Document Series Open Access Maize yield in Sudan as influenced by inorganic and organic fertilizers A.A.A. Ala · M.M. Lubna · A. M. E. Nagat · A.E.A. Nura +1 more The main objective of this research was to investigate the effect of chemical fertilizer, organic fertilizer and a combination of the two on maize (Zea mays L.) yield in Sudan. Three levels of fertilizer: 86 kgN/ha, 4 tonnes chicken manure… RUF-36983 2016 CC BY 4.0 18 Sep 2017
