Use of Different Agronomic Practices to Minimize Ozone Injury in Plants: A Step Toward Sustainable Agriculture

  • Asheesh Kumar Gautam
  • Supriya Tiwari


The increasing concentration of tropospheric O3 and its serious consequences on global crop production had been ratified since long. In addition, several studies done during the last few decades have clearly indicated the significant influences of climate change variables on the in-situ photochemical production of O3 in the troposphere. Along with the negative effects of O3 on agricultural productivity, the ever increasing global demand for food crops driven by rising world population have intensified the already existing problem of global food security. The multifarious setup related to O3 formation in the troposphere makes it difficult to control the increasing concentration of O3 in the troposphere. Therefore the demand of the present time is to develop certain strategies effective in mitigating the O3 induced yield reductions. Adoption of different agronomic practices like nutrient amendments in soil and CO2 fertilization have proved to be effective in sustaining the agricultural production that is under threat due to increasing O3 concentration. The deleterious effects of O3 on plants can be attributed to its oxidizing nature which leads to the enhanced production of reactive oxygen species (ROS) in plants. Nutrient amendments help in repairing O3 induced damage by regulating the plant antioxidant pool for an efficient scavenging of O3-generated ROS. In addition, it also increase the photosynthetic efficiency, mountain the activity and concentration of RuBisCO, and increase membrane stability thus providing more protection chloroplast structures. Elevated CO2 helps in mitigating wide range of abiotic stress in plants by providing additional carbon. It has been suggested that elevated CO2 helps in detoxifying O3 induced accumulated ROS in plants. These strategies aimed at targeting the crop loss reductions due to O3 and can be used as effective tools for sustainable agriculture in near future. The present chapter throws light on the effectiveness of a few O3 mitigating strategies using different agronomic practices and their impacts on agricultural productivity.


Ozone Productivity Agronomic practices CO2 fertilization Nutrient amendments 


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Asheesh Kumar Gautam
    • 1
  • Supriya Tiwari
    • 1
  1. 1.Laboratory of Ecotoxicology, Department of BotanyBanaras Hindu UniversityVaranasiIndia

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