期刊
JOURNAL OF NANOBIOTECHNOLOGY
卷 20, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12951-021-01177-9
关键词
Plant nutrients; Nanotechnology; Fertilizers; Use efficiency; Controlled release; Agriculture
资金
- Indian Council of Agricultural Research (ICAR)
- ICAR-Indian Institute of Wheat and Barley Research (IIWBR)
- ICAR-Central Soil Salinity Research Institute (CSSRI)
- National Innovations in Climate Resilient Agriculture (NICRA) project [DARE-ICAR-NICRA-03]
The worldwide agricultural enterprise is under immense pressure to increase production to meet the needs of a growing population while resources are decreasing. The indiscriminate use of fertilizers has caused significant damage to the environment, and nanofertilizers are seen as a potentially sustainable solution that can improve nutrient efficiency and reduce environmental losses. However, the use of nanofertilizers on a large scale still faces challenges.
The worldwide agricultural enterprise is facing immense pressure to intensify to feed the world's increasing population while the resources are dwindling. Fertilizers which are deemed as indispensable inputs for food, fodder, and fuel production now also represent the dark side of the intensive food production system. With most crop production systems focused on increasing the quantity of produce, indiscriminate use of fertilizers has created havoc for the environment and damaged the fiber of the biogeosphere. Deteriorated nutritional quality of food and contribution to impaired ecosystem services are the major limiting factors in the further growth of the fertilizer sector. Nanotechnology in agriculture has come up as a better and seemingly sustainable solution to meet production targets as well as maintaining the environmental quality by use of less quantity of raw materials and active ingredients, increased nutrient use-efficiency by plants, and decreased environmental losses of nutrients. However, the use of nanofertilizers has so far been limited largely to controlled environments of laboratories, greenhouses, and institutional research experiments; production and availability on large scale are still lagging yet catching up fast. Despite perceivable advantages, the use of nanofertilizers is many times debated for adoption at a large scale. The scenario is gradually changing, worldwide, towards the use of nanofertilizers, especially macronutrients like nitrogen (e.g. market release of nano-urea to replace conventional urea in South Asia), to arrest environmental degradation and uphold vital ecosystem services which are in critical condition. This review offers a discussion on the purpose with which the nanofertilizers took shape, the benefits which can be achieved, and the challenges which nanofertilizers face for further development and real-world use, substantiated with the significant pieces of scientific evidence available so far.
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