2018
DOI: 10.1016/j.scitotenv.2017.09.209
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Preparation and characterization of slow-release fertilizer encapsulated by biochar-based waterborne copolymers

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Cited by 153 publications
(72 citation statements)
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“…However, when biochar and soil have similar cation exchange properties, then addition of biochar may have little or no effect on retaining ammonium ions. In general, biochar increases the cation exchange capacity of the soil (Chen et al, 2018). The strong adsorption of ammonium by the negatively charged biochar particles during mineralization can reduce formation of nitrates and thus nitrate leaching.…”
Section: Nitrate and Ammonium Leachingmentioning
confidence: 99%
See 1 more Smart Citation
“…However, when biochar and soil have similar cation exchange properties, then addition of biochar may have little or no effect on retaining ammonium ions. In general, biochar increases the cation exchange capacity of the soil (Chen et al, 2018). The strong adsorption of ammonium by the negatively charged biochar particles during mineralization can reduce formation of nitrates and thus nitrate leaching.…”
Section: Nitrate and Ammonium Leachingmentioning
confidence: 99%
“…Indeed, some researchers have used biochar as fertilizer coating material to slow the release of fertilizers, matching the crop needs for nutrients and reducing losses of excess nutrients through erosion or leaching (Hagemann et al, 2017). For example, Chen et al (2018) reported that rice biochar-based polymers used to coat fertilizer granules in slow-release fertilizer can increase the effectiveness of fertilizer use.…”
Section: Nitrate and Ammonium Leachingmentioning
confidence: 99%
“…3 Therefore, these reports evidence the need to prospect fertilizer technologies which release K in a controlled process according to plant demands aiming to improve fertilizer efficiency, including the reduction of both on K loss and the need of split application. 4,5 In fact, several studies have been performed into using different materials as slow-release K-fertilizer, such as rice husk ash for the synthesis of silicon and potassium, 6 K-feldspar (KAlSi 3 O 8 ) 7 and chrysotile/K 2 HPO 4 . 8 Serpentinite, a metamorphic rock with general approximate formula [Mg 3 Si 2 O 5 (OH) 4 ], is found in different places on the surface of the world with global reserves estimated in hundreds of millions kg.…”
Section: Introductionmentioning
confidence: 99%
“…Despite the environmental problems, conventional NPK fertilizers are still preferred fertilizers in agriculture as nutrients resources to the crops . But due to unreliable water flowing, the NPK fertilizers tend to fast release their nutrients to the soil environment . The excessive usage of NPK fertilizers would damage crop growth and also cause soil pollution due to leaching.…”
Section: Introductionmentioning
confidence: 99%