Hazards of nitrogen fertilizers and ways to reduce nitrate accumulation in crop plants
- 16 March 2020
- journal article
- research article
- Published by Springer Nature in Environmental Science and Pollution Research
- Vol. 27 (15), 17661-17670
- https://doi.org/10.1007/s11356-020-08236-y
Abstract
In modern agriculture, farm produce accumulates a lot of nitrates that can reach toxic levels owing to the unfair use of nitrogen fertilizers, cultural methods, farming policies in multiple areas of the world, thereby increasing concerns about the availability of hygienic food supply and environmental hazards. Over the past few decades, global interest in achieving greater output through intensive fertilization has been a growing trend. The fertilizer based on urea or ammonium mainly yields ammonium, which is then transformed to nitrate through the oxidation process that is biologically mediated. Nitrate tends to accumulate differently in distinct crop plants and distinct components of agricultural commodities based on species, crop variety, genetic history, environmental circumstances, harvest phase, post-harvest storage conditions, agronomic variables, nature, and fertilizer application rate. The current article highlights various factors that could directly or indirectly contribute to the accumulation of nitrates in different parts of crop plants and discusses strategies to minimize the accumulation of nitrates in farm produce, thus ensuring healthy food supply and protecting the environment from the accumulation of nitrates.Keywords
This publication has 113 references indexed in Scilit:
- Identification of QTLs associated with seedling root traits and their correlation with plant height in wheatJournal of Experimental Botany, 2013
- Reducing environmental risk by improving N management in intensive Chinese agricultural systemsProceedings of the National Academy of Sciences, 2009
- Diagnosis tool for plant and crop N status in vegetative stageEuropean Journal of Agronomy, 2008
- Prediction of optimal nitrogen application rate of rice based on soil test valuesEuropean Journal of Agronomy, 2006
- The critical N dilution curve for linseed (Linum usitatissimum L.) is different from other C3 speciesEuropean Journal of Agronomy, 2006
- Critical nitrogen concentration in processing tomatoEuropean Journal of Agronomy, 2002
- Critical nitrogen concentrations: implications for high-yielding rice (Oryza sativa L.) cultivars in the tropicsField Crops Research, 1998
- Effects of photoperiod and photosynthet1c photon flux on nitrate content and nitrate reductase activity in greenhouse‐grown lettuceJournal of Plant Nutrition, 1995
- Ammonia loss from surface applied urea-acid productsNutrient Cycling in Agroecosystems, 1986
- Mineral Nutrition of Plants: Mechanisms of Uptake and TransportAnnual Review of Plant Physiology, 1956