Working Document Series Open Access Developing Management Options for Optimising Water and Nitrogen Utilisation for Maize Production in Malawi F.C. Kahimba · J. Mthandi · B.A. Salim · A.K.P.R. Tarimo Nitrogen (N) is the most important determinant of plant growth and crop yield. Plants lacking N show stunted growth and yellowish leaves. Plant growth and crop yield usually increase when N is added. However, too much N lead to weak stems … RUF-31931 2012 CC BY 4.0 12 May 2014
