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Kelly T. Morgan, Kent E. Cushman, and Shinjiro Sato

coating material and include sulfur, polymer, and both sulfur and polymer coatings. These products are now the fastest growing sector of the S/CRF market ( Simonne and Hutchinson, 2005 ). Sulfur was chosen as a coating material for sulfur-coated urea (SCU

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release with currently available and experimental coatings and growth response of ‘Double Play Pink’ japanese spirea and ‘Smaragd’ arbovitae. New polymer coating technologies show promise for delivering a predicted release rate and are appropriate for

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Kayla R. Sanders and Jeffrey S. Beasley

mechanisms available to turfgrass managers, including semipermeable polymer coatings, occlusion, and slowing hydrolysis of water-soluble compounds ( Fu et al., 2018 ). Polymer coating regulates soluble nutrient release through diffusion of a semipermeable

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Elsa Sánchez, William J. Lamont Jr, and Michael D. Orzolek

degradation of newspaper ( Carter and Johnson, 1988 ; Monks et al., 1997 ; Munn, 1992 ) and other paper mulches ( Weber, 2003 ). Paper mulches have been treated with various substances including polymer coatings, vegetable oils, and elemental sulfur to delay

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P. Chris Wilson and Joseph P. Albano

structures ( Handreck and Black, 2002 ; Wulfsberg, 2000 ). Consequently, they both have a high potential for moving with water once dissolved. Nitrogen leaching from CRF formulations depends on the dissolution and transport of nutrients through a polymer

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Sueyde Fernandes de Oliveira Braghin, Simone C. Mello, Jéssika Angelotti-Mendonça, Keigo Minami, and Yuncong C. Li

. The type of coating is responsible for the release mechanism of coated fertilizers, which is the transfer of the nutrient from the fertilizer polymer interface to the polymer soil interface by diffusion/swelling, degradation of the polymer coating, and

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Brian K. Hogendorp and Raymond A. Cloyd

Pest. Sci. 44 207 218 Ziv, O. Hagiladi, A. 1993 Controlling powdery mildew in euonymus with polymer coatings and bicarbonate solutions HortScience 28 124 126 Ziv, O. Zitter, T.A. 1992 Effects of bicarbonates and film-forming polymers on cucurbit foliar

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Luther C. Carson, Monica Ozores-Hampton, Kelly T. Morgan, and Jerry B. Sartain

Restoration Act of 1999 ( Bartnick et al., 2005 ). Controlled-release fertilizers are soluble fertilizer (SF) coated in polymer, resin, or sulfur-coated urea in a polymer coating ( Trenkel, 2010 ). Field measurements of CRF N release have been made by

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Diane M. Camberato, James J. Camberato, and Roberto G. Lopez

driven advances in coating technologies for CRF products. Complex polymer coatings that release nutrients to the substrate as a slow, continuous dose at a rate more compatible with uptake have the potential to decrease the environmental impact of excess N

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Luther C. Carson and Monica Ozores-Hampton

, CRFs are SFs with a coating that consists of polymer or resin, or a hybrid of an outer polymer coating over an SCU (PSCU). Ideally, coatings are formulated to control the release of nutrients to match different crop nutrient requirements ( Lammel, 2005