Ravi BhatKarthika, K.S.Selvamani, V.2019-09-062019-09-062018Hands on Training in soil Testing and Fertilizer Recommendation,2018, P, 01-05http://hdl.handle.net/123456789/7594ensoil testingsustainable farmingROLE OF SOIL TESTING IN SUSTAINABLE AGRICULTUREBook chapter