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Fernanda Trientini and Paul R. Fisher

in ion concentration and pH over time require constant monitoring and adjustment ( Sonneveld and Voogt, 2009 ). Sophisticated real-time monitoring and control are unlikely to be feasible for small-scale home gardeners. Controlled-release fertilizers

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T.K. Hartz, R. Smith, and M. Gaskell

potential for water quality degradation from high phosphorus (P) loading ( Sharpley et al., 1994 ). Dry organic fertilizers such as fishery waste, feather meal, and seabird guano are widely used; these products have high N content (>10% of dry weight) and

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Ka Yeon Jeong, Paul V. Nelson, Carl E. Niedziela Jr., and David A. Dickey

respiratory acidification ( Marschner, 1995 ); acidic, neutral, or alkaline biotic effect of nutrient uptake ( Pertusatti and Prado, 2007 ), which varies among plant species ( Fisher et al., 2014a ; Johnson et al., 2013 ); and the abiotic effect of fertilizer

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Travis Wayne Shaddox and Joseph Bryan Unruh

influence of four rates of urea on turf quality and reported that N applied at 18 kg·ha −1 per year as urea resulted in acceptable turf quality during each fertilizer cycle over 2 years. Young et al. (1999) reported that N applied as urea at 49 kg·ha −1

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M. Lenny Wells

energy costs have led to a dramatic increase in the price of synthetic fertilizer ( Huang, 2009 ). Between 2002 and 2007 the cost of synthetic fertilizer N per acre rose by over 200% for pecan ( Wells, 2009a ). This sharp increase in the cost of a single

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M. Lenny Wells

fertilizer applied in southeastern U.S. pecan orchards. Ammonium nitrate is decreasing in popularity as a result of cost, and the risk potential for use in terroristic activities and storage-related problems. Urea is the most widely used dry N fertilizer in

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Julie Campbell, Alicia Rihn, and Hayk Khachatryan

., 2012 ; Groffman et al., 2016 ). Given this importance, understanding the factors that influence residential fertilizer purchasing decisions could lead to greater mindfulness in mitigating some of the environmental issues associated with home lawn

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Joseph C. Fetter, Rebecca N. Brown, and José A. Amador

acids, and chlorophyll ( Brady and Weil, 2002 ). It is mainly provided to turfgrass in the form of fertilizer, although N from mineralization of soil organic matter (SOM) and precipitation can also enrich the soil N pool. Nitrogen applied to turfgrass is

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E.A. Guertal

A brief review of slow-release fertilizer technology Slow-release nitrogen fertilizers can be separated into three broad categories. The first is “natural” organic fertilizer, with the N contained as a part of crop residue, animal waste, or other

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Kenneth G. McCabe, Christopher J. Currey, James A. Schrader, David Grewell, Jake Behrens, and William R. Graves

flowering plants, foliage plants, and potted herbaceous perennials. Most plants grown in containers are provided water-soluble fertilizers or granular CRF. These fertilizers are typically synthetically derived, and sustainability of their use has been