INTRODUCTION The Journal of Applied Agricultural Research (JAAR) is published by the Agricultural Research Council of Nigeria (ARCN), Federal Ministry of Agriculture, Abuja, Nigeria. It is devoted to the publication of results of agricultural research relevant to national development. It is to document, publish and disseminate emerging knowledge of agricultural research. Members of the Editorial Board are carefully selected to represent the various disciplines and major specializations in Agricultural Sciences. Publication history The JAAR is published twice a year. The first issue (Volume 1 Number 1) is due in July 2009.