Development of polymer composites and encapsulation technology for slow-release fertilizers

Author:

Abd El-Aziz Mahmoud Essam1ORCID,Salama Dina M.2ORCID,Morsi Samir M. M.1ORCID,Youssef Ahmed M.3ORCID,El-Sakhawy Mohamed4ORCID

Affiliation:

1. Polymers and Pigments Department , National Research Centre , 33 El Bohouth St., Dokki , Giza , P.O. 12622 , Egypt

2. Vegetable Research Department , National Research Centre , 33 El Bohouth St., Dokki , Giza , P.O. 12622 , Egypt

3. Packaging Materials Department , National Research Centre , 33 El Bohouth St., Dokki , Giza , P.O. 12622 , Egypt

4. Cellulose and Paper Department , National Research Centre , 33 El Bohouth St., Dokki , Giza , P.O. 12622 , Egypt

Abstract

Abstract The fertilizer manufacturing faces an ongoing challenge to develop its products to raise the effectiveness of their application, mainly of nitrogenous fertilizers, as well as to reduce any probable adverse ecological effect. In general, chemical fertilizers are very necessary for agricultural lands to provide the essential nutrients for plant growth, which are lost and leached into the surrounding environment during irrigation, which then leads to unwanted side effects, such as crop failure or increased losses to the environment. To solve this problem of nutrients being wasted, the most effective way is to use slow or controlled-release fertilizers (S/CRFs). The current review provides an insight vision into the methods used to save agricultural fertilizers from being wasted due to irrigation. The functional materials or physical techniques are used to maintain a steady release of nutrients. Fertilizers are encapsulated with various compounds based on synthetic or natural polymers to be used as SRFs. In this review paper, a comprehensive survey is presented on SRFs as an effective method in dealing with the problem of fertilizer wastage during irrigation. This review discusses the technology and applications of the latest research findings in this field.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering

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