A comprehensive overview of nanotechnology in sustainable agriculture

被引:37
|
作者
Arora, Smriti [1 ]
Murmu, Gajiram [3 ,4 ]
Mukherjee, Koel [5 ]
Saha, Sumit [3 ,4 ]
Maity, Dipak [2 ]
机构
[1] Univ Petr & Energy Studies, Sch Hlth Sci & technol, Dept Allied Hlth Sci, Dehra Dun 248007, Uttaranchal, India
[2] Univ Petr & Energy Studies, Dept Chem Engn, Dehra Dun 248007, Uttaranchal, India
[3] CSIR Inst Minerals & Mat Technol, Mat Chem Dept, Bhubaneswar 751013, Orissa, India
[4] Acad Sci & Innovat Res AcSIR, Ghaziabad 201002, Uttar Pradesh, India
[5] Birla Inst Technol, Dept Bioengn & Biotechnol, Ranchi 835215, Jharkhand, India
关键词
Sustainable agriculture; Plant nutrition; Biofertilizers; Nanoparticles; Nanofertilizers; Nanopesticides; TOMATO SOLANUM-LYCOPERSICON; GROWTH-PROMOTING RHIZOBACTERIA; ZINC-OXIDE NANOPARTICLES; SILVER NANO-PARTICLES; PLANT-GROWTH; ENGINEERED NANOPARTICLES; CONTROLLED-RELEASE; CARBON NANOTUBE; GREEN SYNTHESIS; CATIONIC NANOPARTICLES;
D O I
10.1016/j.jbiotec.2022.06.007
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Plant nutrition is crucial in crop productivity and providing food security to the ever-expanding population. Application of chemical/biological fertilizers and pesticides are the mainstays for any agricultural economy. However, there are unintended consequences of using chemical fertilizers and pesticides. The environment and ecological balance are adversely affected by their usage. Biofertilizers and biopesticides counter some undesired environmental effects of chemical fertilizers/pesticides; despite some drawbacks associated with their use. The recent developments in nanotechnology offer promise toward sustainable agriculture. Sustainable agriculture involves addressing the concerns about agriculture as well as the environment. This review briefs about important nanomaterials used in agriculture as nanofertilizers, nanopesticides, and a combination called nanobiofertilizers. Both nanofertilizers and nanopesticides enable slow and sustained release besides their eco-friendly nature. They can be tailored to the specific needs of to crop. Nanofertilizers also offer greater stress tolerance and, therefore, are of considerable value in the era of climate change. Furthermore, nanofertilizers/ nanopesticides are applied in minute amounts, reducing transportation costs associated and thus positively affecting the economy. Their uses extend beyond such as if nanoparticles (NPs) are used at high concentrations; they affect plant pathogens adversely. Polymer-based biodegradable nanofertilizers and nanopesticides offer various benefits. There is also a dark side to the use of nanomaterials in agriculture. Nanotechnology often in-volves the use of metal/metal oxide nanoparticles, which might get access to human bodies leading to their accumulation through bio-magnification. Although their effects on human health are not known, NPs may reach toxic concentrations in soil and runoff into rivers, and other water bodies with their removal to become a huge economic burden. Nevertheless, a risk-benefit analysis of nanoformulations must be ensured before their application in sustainable agriculture.
引用
收藏
页码:21 / 41
页数:21
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