2020
DOI: 10.1080/01904167.2020.1750637
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Agronomic evaluation of controlled release of micro urea encapsulated in rosin maleic anhydride adduct

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Cited by 4 publications
(4 citation statements)
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“…Regardless of the FA application rate, the nitrogen uptake in the CRU treatments was higher than that in the Urea treatments. Meanwhile, the NAE and NUE in the CRU treatments were higher than those in the Urea treatments 10 . The FA rate did not affect the nitrogen uptake or NAE, but it had significant effects on NUE; the FA180 treatment had a higher NUE than those of FA90 and FA270.…”
Section: Discussionmentioning
confidence: 74%
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“…Regardless of the FA application rate, the nitrogen uptake in the CRU treatments was higher than that in the Urea treatments. Meanwhile, the NAE and NUE in the CRU treatments were higher than those in the Urea treatments 10 . The FA rate did not affect the nitrogen uptake or NAE, but it had significant effects on NUE; the FA180 treatment had a higher NUE than those of FA90 and FA270.…”
Section: Discussionmentioning
confidence: 74%
“…Controlled-release urea (CRU) is a new type of fertilizer that releases nutrients according to a set mode through polymer coatings and other methods so that the nutrient release keeps pace with crop demand 8 10 . Compared with typical nitrogen fertilizer, CRU meets the needs of crops for nitrogen, effectively promotes the growth and development of crops, and simplifies cultivation technology.…”
Section: Introductionmentioning
confidence: 99%
“…Diels-Alder type reactions produce rosin derivatives such as fumaropimaric acid (FPA), acrylicpimaricacid (APA), maleopimaric acid (MPA), and methyl maleopidate (MMP). Owing to their structural characteristics, low cost, biodegradability, biocompatibility, and corrosion resistance, rosin and its derivatives are valuable feedstocks for an array of polymers [9,10] and have found a broad range of applications [8], such as coatings [11][12][13][14][15][16][17][18], packaging [19,20], electrical equipment [6], antibacterial and antiviral polymers [19,[21][22][23][24], surfactants, and adhesives [25][26][27][28][29]. Hence, the replacement of BPA with rosin and its derivatives as a fossil feedstock has gained increasing attention [4,5,[30][31][32][33].…”
Section: Introductionmentioning
confidence: 99%
“…The simplest method is to encapsulate them in a grafted polymer matrix, such as polylactic acid, 12 chitosan, 13 montmorillonite, 14 bentonite, 15 etc. Another approach is to coat fertilizers with biodegradable polymer coatings: maleic anhydride, 16 polyurethane, 17 polyvinyl acetate, 18 organic clay composite, 19 gypsum, and starch, 20 carboxymethyl cellulose, 21 plant-derived materials, 22 and so on. Compared to encapsulating fertilizers inside polymers, coating fertilizers is a complex process and cumbersome; although fertilizer encapsulation technology has great potential for application and a lot of research has been done on hydrogel encapsulation, most of the slow-release hydrogels lose the original high water absorption characteristics of hydrogels.…”
Section: ■ Introductionmentioning
confidence: 99%