Journal
ENVIRONMENTAL SCIENCE-NANO
Volume 6, Issue 7, Pages 2002-2030Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9en00265k
Keywords
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Funding
- USDA-NIFA-AFRI grant [2016-67021-24985]
- USDA [CONH 00655, CONH 00147]
- National Science Foundation
- Environmental Protection Agency [DBI-1266377]
- USAID's Feed the Future Soil Fertility Technology Adoption, Policy Reform and Knowledge Management Project
- NSF [EEC-1449500, CHE-0840525, DBI-1429708]
- NSF ERC on Nanotechnology-Enabled Water Treatment [EEC-1449500]
- National Institutes on Minority Health and Health Disparities (NIMHD), a component of the National Institutes of Health (NIH) [2G12MD007592]
- ConTex program [1000001931]
- Academy of Applied Science/US Army Research Office, Research and Engineering Apprenticeship program (REAP) at UTEP [W11NF-10-2-0076, 13-7]
- University of Texas System FY 2019 Retention Stars award [201-1224]
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The use of nanomaterials in agriculture as nanofertilizers, nanopesticides, or nano-enabled sensors to increase crop yield is gaining increasing interest. Engineered nanomaterials (ENMs) can improve crop productivity by influencing fertilizer nutrient availability in soil and uptake by plants. These materials can suppress crop diseases by directly acting on pathogens through a variety of mechanisms, including the generation of reactive oxygen species (ROS). ENMs may also suppress disease indirectly by improving crop nutrition and enhancing plant defense pathways. Efficient use of ENMs may complement or replace conventional fertilizers and pesticides, subsequently reducing the environmental impact of agricultural practices. This review evaluates the current literature on ENMs used as pesticides and fertilizers, and highlights critical knowledge gaps that must be addressed to ensure sustainable application of nanotechnology in agriculture so as to achieve global food security.
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