Effects of Agricultural Waste Ash on Nutrients Concentration and Yield of Maize (Zea Mays L) in a Haplic Acrisolof Southeastern Nigeria

Abstract

Field trials and a pot experiment were conducted during the 2005 and 2006 cropping seasons at Michael Okpara University of Agriculture, Umudike, Nigeria,to assess the effect of various agricultural wastes ash on nutrient concentration, growth and yield of maize in a Haplic Acrisol. The treatments comprised of palm bunch ash, kitchen residues ash, cocoa pod husk ash, saw dust ash, calcium carbonate, oyster shell ash and a control (without any amendment ).