Nano-fertilizers: A sustainable technology for improving crop nutrition and food security

Excessive use of synthetic fertilizers cause economic burdens, increasing soil, water and atmospheric pollution. Nano-fertilizers have shown great potential for their sustainable uses in soil fertility, crop production and with minimum or no environmental tradeoffs. Nano-fertilizers are of submicros...

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Bibliographic Details
Published in:NanoImpact 2022-07, Vol.27, p.100411-100411, Article 100411
Main Authors: Jakhar, Ali Murad, Aziz, Irfan, Kaleri, Abdul Rasheed, Hasnain, Maria, Haider, Ghulam, Ma, Jiahua, Abideen, Zainul
Format: Article
Language:English
Subjects:
Adsorption
Conventional fertilizers
Nano-carrier
Nano-encapsulation
Nano-fertilizers
Nutrient use
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Summary:Excessive use of synthetic fertilizers cause economic burdens, increasing soil, water and atmospheric pollution. Nano-fertilizers have shown great potential for their sustainable uses in soil fertility, crop production and with minimum or no environmental tradeoffs. Nano-fertilizers are of submicroscopic sizes, have a large surface area to volume ratio, can have nutrient encapsulation, and greater mobility hence they may increase plant nutrient access and crop yield. Due to these properties, nano-fertilizers are regarded as deliverable ‘smart system of nutrients’. However, the problems in the agroecosystem are broader than existing developments. For example, nutrient delivery in different physicochemical properties of soils, moisture, and other agro-ecological conditions is still a challenge. In this context, the present review provides an overview of various uses of nanotechnology in agriculture, preference of nano-fertilizers over the conventional fertilizers, nano particles formation, mobility, and role in heterogeneous soils, with special emphasis on the development and use of chitosan-based nano-fertilizers. [Display omitted] •Excessive fertilizer uses pose economic burdens, lower fertilizer uses efficiencies, nutrient losses.•Nano-fertilizers improves nutrient encapsulation, plant nutrient access and crop yield.•Use of chitosan-based nano-fertilizers under stress conditions are recommended with multiple benefits
ISSN:2452-0748
2452-0748
DOI:10.1016/j.impact.2022.100411