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Volume : I, Issue : V, June - 2011 Zinc Sulfate Controlled Release Fertilizer with Fly Ash as Inert Matrix D.Kamalakar , L Nageswara Rao, J. L. Jayanthi1 & Dr M.Venkateswara Rao Published By : Laxmi Book Publication Abstract : The paper presents controlled release of Zinc sulphate fertilizer made with fly ash as inert
matrix. Pellets were made from the mixture and the release rate of zinc sulphate with time was studied. The
parameters covered are fractional zinc sulphate, fractional cement and fractional sand and diameter of the inert
particle size, diameter of the pellet. The parameters also measured with Naphthalene coating pellets and
compared. The study is useful to identify the controlled release of zinc sulphate fertilizer and also to predict the
release rate at any instant of time. Keywords : Article : Cite This Article : D.Kamalakar , L Nageswara Rao, J. L. Jayanthi1 & Dr M.Venkateswara Rao, (2011). Zinc Sulfate Controlled Release Fertilizer with Fly Ash as Inert Matrix. Indian Streams Research Journal, Vol. I, Issue. V, http://oldisrj.lbp.world/UploadedData/322.pdf References : - Varadachari and chandrika “Process for the manufacture of bio-release fertilizers of zinc-iron-manganese, ironmanganese- copper and zinc-ironmanganese- copper” International patent cooperation treaty, international publication number-WO 2006/137084 A3, Dec 2006.
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