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Elemental sulfur combinations and regional waste gypsum products as alternative sulfur fertilizer sources

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dc.contributor.authorSulewski, G.D.
dc.contributor.authorSchoenau, J.J.
dc.date.accessioned2018-09-10T23:52:53Z
dc.date.available2018-09-10T23:52:53Z
dc.date.issued1996-02-22
dc.description.abstractThe potential of elemental sulfur and gypsum as viable sulfur alternatives to ammonium sulfate were evaluated. Continued concerns regarding poor product performance by elemental sulfur, and the lack of an economically viable gypsum source have restricted large scale usage. Laboratory and field measurement of plant available S release, plant yield, residual soil sulfate, and crop use efficiency suggest advantages to sludge plus elemental sulfur usage rather than application of elemental sulfur alone. Altering elemental sulfur’s physiochemical nature leads to inherent advantages in microbial establishment, which is the initial process critical to the conversion of So to sulfate. The final product is envisioned as a fertilizer pellet or prill utilizing sludge as a binder or carrier agent. The tested waste gypsum products are sulfate alternatives with solubilities that predict short-term to intermediate availability. Waste gypsum products have specific advantages in certain environmental niches wherein readily soluble fertilizers could be lost to leaching and immobilization.en_US
dc.description.versionNon-Peer Reviewed
dc.identifier.urihttp://hdl.handle.net/10388/10303
dc.language.isoenen_US
dc.relation.ispartofSoils and Crops Workshop
dc.rightsAttribution-NonCommercial-NoDerivs 2.5 Canada*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/ca/*
dc.subjectsludgeen_US
dc.subjectenhancementen_US
dc.subjecteconomically viableen_US
dc.titleElemental sulfur combinations and regional waste gypsum products as alternative sulfur fertilizer sourcesen_US
dc.typePresentationen_US

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