Kamala Devi, C.B.Pillai, N.G.Abdul Wahid, P.2014-09-062014-09-061974Jl. of Plantation Crops 2(1) 1974 pp.37-38http://hdl.handle.net/123456789/5434enNews and Notes: Potassium Dihydrogen Ortho Phosphate, A Substitute for Ortho Phosphoric Acid in Manganese EstimationArticle