Utilization of chitosan for the controlled-release fertilizer and its impact on plant and soil

文献类型： 外文期刊

第一作者： Zahoor

作者： Zahoor;Faqir, Yahya;Ma, Jiahua;Dai, Wei;Lai, Qianglong;Tan, Chengjia

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关键词： Controlled release fertilizers; Plant growth; Soil; Nutrients; Soil biodiversity

期刊名称：MATERIALS TODAY COMMUNICATIONS （ 影响因子：4.5； 五年影响因子：4.3 ）

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年卷期： 2025 年 47 卷

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收录情况： SCI

摘要： The world's increasing population is generating an increasing demand for food, and inefficiency in using fertilizers restricts crop yields. Chitosan is an amino polysaccharide obtained from the deacetylation of chitin, which is the second most abundant biomolecule after cellulose. Non-toxicity, bio-compatibility, anti-bacterial activity, biodegradability, and other unique properties generated much interest in biomedical, pharmaceutical, agricultural, and various applications such as drug delivery, nutrient delivery, and tissue engineering. Nanotechnologybased fertilizers are new approaches for enhancing agricultural yield. Thus, they appear as potential alternatives to the fertilizer sector, as they increase nutrient maintenance and optimize yield, growth, and soil biodiversity. Very recently, with the help of nanocomposites or coating techniques using different chemical entities, controlled-release fertilizers (CRFs) have developed to avoid hazards. These CRF fertilizers are effective compared to normal ones, as CRF fertilizers release nutrients in a controlled way, and the environment can modulate such release and incentives of various kinds (temperature, pH, and other factors, etc.). Therefore, this review article provides an overview of slow and controlled-release fertilizers and chitosan material forms concerning their preparation approaches, techniques of nutrient release, present status, and role in improving crops, marketable viability, and future perceptions. Hence, we must continue researching inexpensive, biodegradable, eco-friendly materials and binders capable of hydrophobicity. It's essential to know that CRFs are a broad field of study that remains in continuous evolution and transformation. CRFs coated in organic-inorganic composite membranes (OICMs) indicate how fertilizers will be in the future.

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