Mini, V.Usha Mathew2017-04-222017-04-222015-06An Asian Journal of Soil Science,Volume 10,Issue 1,June 2015,p.99-103http://hdl.handle.net/123456789/6960enCoconutcropping systemNutrient management planOnattukaraSandy tractSoil based nutrient management plan for Onattukara sandy tract of KeralaArticle