A Review on Changes in Fertilizers: From Coated Controlled Release Fertilizers (CRFs) to Nanocomposites of CRFs
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2019, Vol 9, Issue 2
Abstract
Past decades have seen a keen-edged bloom in Agro-Technical aspects. The expansion of global population and the inflation in global food demand has given rise to multitudinous research in the agronomic sector, especially in the domain of fertilizers. The use of fertilizer in agricultural field is essential for the plant growth, but excess amount of pure chemical contents used in them can pose a serious threat to all living beings and also to the environment. In order to reduce this chemical exposure, the use of materials coated Controlled Release Fertilizer or CRFs became quintessential. The coating of materials outside the fertilizer enables the active content of fertilizers to release in a gradual or delayed manner, in accordance to the plant demands. The longevity of CRFs depends upon the thickness of coating material, which can either be organic or inorganic. Temperature and moisture are the greatest players which influence the workability of coated CRFs. Further improvisation in CRFs is done with the introduction of Nanotechnology in agricultural research, as it has put forth innumerable advantages with respect to development. Nanofertilizers based on CRFs are used for the increment of active fertilizer material in the field, as they present large surface area for the release of required nutrients to the plant in a controlled manner. The present study covers the extensive evolution of controlled release fertilizers, to the modern and smart Nanotechnology inspired controlled release fertilizers.
Authors and Affiliations
Nalini Sharma, Ajay Singh
Keywords
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- EP ID EP566358
- DOI 10.24247/ijasrapr20197
- Views 105
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