Abstract
Aims/Objective:This review discusses the processes and applications associated with the mechanochemical synthesis of Slow-Release Fertilizers (SRF) from different resources.Explanation:The effect of mineral fertilizers on the environment and on living species will be discussed. Moreover, various aspects related to fertilizers production and applications are illustrated. It is found that solid-solid mechanical interaction initiates chemical reactions by lowering their energy of activation when compared to other thermochemical processes. Since milling is an important industrial operation, its contribution to materials processing is discussed.Conclusion:In general, SRFs increase the value of nutrient uptake in plants and reduces energy consumption and labor costs.
Highlights
The main purpose of this review is to shed light on the processes and applications associated with the mechanochemical synthesis of Slow-Release Fertilizers (SRF)
The results showed that ControlledRelease Fertilizers (CRF) possessed excellent sustained- release property of plant nutrient and could improve the phosphorous release greatly [82]
Zhang et al studied slow-release fertilizers encapsulated by graphene oxide films, and the results showed that new coating technology is promising for developing environmentally benign CRFs for crop production [85, 86]
Summary
The main purpose of this review is to shed light on the processes and applications associated with the mechanochemical synthesis of Slow-Release Fertilizers (SRF). Higher food crop yields have been achieved by improving soil productivity through the addition of fertilizers. This is considered to be one of the vital input materials for sustainable crop production [1 - 3]. Producing or synthesizing SRF and CRF include physical methods such as dispersing ordinary fertilizers throughout a matrix and chemical methods such as encapsulating ordinary fertilizers within a larger compound. Both methods aim at slowing down the release of nutrients either by diffusion or dissolution [6 - 13]. The use of organic films in coated fertilizers has negative impacts on the quality of soil and it is avoided
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