Karthika, K.S.Neenu, S.2019-09-072019-09-072018Hands on Training in soil Testing and Fertilizer Recommendation,2018, P, 11-13http://hdl.handle.net/123456789/7596ensoil samplingleaf samplingarecanutcocoaSOIL AND LEAF SAMPLING PROCEDURE IN ARECANUT AND COCOABook chapter