Slow release coating remedy for nitrogen loss from conventional urea: a review

Journal of Controlled Release : Official Journal of the Controlled Release Society
Muhammad Yasin Naz, Shaharin Anwar Sulaiman

Abstract

Developing countries are consuming major part of the global urea production with an anticipated nitrogen use efficiency of 20 to 35%. The release of excess nitrogen in the soil is not only detrimental to the environment but also lessens the efficiency of the conventional urea. The urea performance can be enhanced by encapsulating it with slow release coating materials and synchronizing the nutrients' release with the plant up-taking. However, the present cost of most of the coated fertilizers is considerably higher than the conventional fertilizers. The high cost factor prevents their widespread use in mainstream agriculture. This paper documents a review of literature related to the global urea market, issues pertaining to the conventional urea use, natural and synthetic materials for slow release urea and fluidized bed spray coating process. The aim of the current review is to develop technical understanding of the conventional and non-conventional coating materials and associated spray coating mechanism for slow release urea production. The study also investigated the potential of starch as the coating material in relation to the coatings tested previously for controlled release fertilizers.

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Citations

Sep 30, 2016·Environmental Science and Pollution Research International·Ran-Ran ZhangChong-Wei Jin
Apr 26, 2017·ACS Applied Materials & Interfaces·Jiazhuo XieQinghua Zhao
Jan 13, 2018·International Journal of Environmental Research and Public Health·Xin TongGuangqun Huang
Apr 16, 2020·ChemSusChem·Jing ChenShaolong Sun
Sep 24, 2019·Frontiers in Microbiology·Jeanette Norton, Yang Ouyang
Oct 3, 2018·Scientific Reports·Biplob K SahaAntonio F Patti
Sep 6, 2017·Polymers·Khalid A IbrahimNasser M Abdel-Salam
May 22, 2020·The Science of the Total Environment·Christian O DimkpaTimothy D Lewis
May 20, 2020·The Science of the Total Environment·Yiman JiaGuoxi Wang
Dec 23, 2020·Journal of Controlled Release : Official Journal of the Controlled Release Society·Saloua FertahiAbdellatif Barakat
Feb 19, 2021·Journal of Agricultural and Food Chemistry·Stella Fortuna do ValleCaue Ribeiro
Mar 21, 2021·Journal of Controlled Release : Official Journal of the Controlled Release Society·Kinam Park, Randall Mrsny
Apr 10, 2021·Environmental Science and Pollution Research International·Iqra GhafoorAbdul Ghaffar
Jul 2, 2021·International Journal of Biological Macromolecules·Antonio C S Dos SantosMiria H M Reis
Dec 18, 2019·International Journal of Biological Macromolecules·Amanda S GirotoCaue Ribeiro
Sep 21, 2018·Journal of Agricultural and Food Chemistry·Lu LiuJianqiu Chen
Sep 3, 2021·Journal of Environmental Management·Dawid SkrzypczakAnna Witek-Krowiak
Sep 2, 2021·The Science of the Total Environment·Ram B GurungRodney T Venterea
Sep 14, 2021·Chemical Society Reviews·Tu Nguyen Quang LeVolker Hessel
Oct 2, 2021·Environmental Science and Pollution Research International·Sobia ManzoorAbdul Ghaffar

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