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Gypsum for Agricultural Use in Ohio - Sources and Quality of Available Products

Source Publication:Ohio State University Extension Fact Sheet ANR-20-05
Primary Author:Dontsova, Lee, Slater, Bigham
Institution:Ohio State University Extension and the College of Food, Agricultural, and Environmental Sciences
Research Site:The Ohio State University School of Natural Resources
City:Columbus
State:Ohio
Date/Year:2006
Focus:General use guidelines for gypsum
Category:Proceedings & Bulletins & Research Reports
Crop:Not Crop Specific
Download:OSU-GypsumforAgriculturalUseinOhio.pdf (487.5 KB)
Reported Results:

Gypsum from any of the sources examined (Natural, Synthetic, Cast, and Drywall Gypsum) could thus be applied without restriction for trace metal loading; however, samples from a given source should always be tested prior to application. There is also no demonstrated benefit of application rates greater than 2 ton ac-1yr-1 for agronomic or horticultural crop production in Ohio, and biennial applications are probably adequate.

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