Agricultural and Biological Sciences Journal
Articles Information
Agricultural and Biological Sciences Journal, Vol.1, No.3, Jun. 2015, Pub. Date: Apr. 10, 2015
Climate Change Mitigation Through Organic Farming in Vegetable Production
Pages: 76-82 Views: 2217 Downloads: 1943
[01] Ranjit Chatterjee, Department of Vegetable and Spice Crops, Uttar Banga Krishi Viswavidyalaya, Pundibari, Cooch Behar, West Bengal, India.
[02] Ravi Kiran Thirumdasu, Department of Vegetable and Spice Crops, Uttar Banga Krishi Viswavidyalaya, Pundibari, Cooch Behar, West Bengal, India.
Vegetable crops provide food and nutritional security to millions of people. They are short duration in nature and different development phases are significantly influenced by environmental vagaries. The rise in temperature, changes in precipitation patterns, excess UV radiation and extreme weather events like droughts and floods threatening the crop growth, yield and economic return. Again the farming practices as well as production of agricultural inputs such as nitrogen fertilizers, synthetic pesticides and fossil fuels emits at least one-third of GHG emissions of the world. Several reviews suggested that organic agricultural systems have an inherent potential to both reduce GHG emissions and to enhance carbon sequestration in the soil. Organic farming largely excludes the use of synthetic fertilizers, pesticides, and hormones with greater emphasis upon crop rotations, crop residues, animal manures, on-farm recycling, symbiotic nitrogen fixation and biological system of nutrient mobilization and plant protection that minimizes the environmental impact on crop production and preserves the long term sustainability of the production system.Several field studies have proved the positive effect of organic farming system on soil carbon pools, which have strong mitigation potential of climate extremes. Crop diversification and an increase of soil organic matter will enhance the nutrient buffer capacity and the microbial activity, both will strengthen soil fertility and will enhance resilience against extreme weather events. The scaling-up of organic agriculture would promote and support climate friendly farming practices hence more research and development of organic agriculture are needed to better unlock its potential and application on a large scale. The present work reviews the different aspects of organic practices that have direct role in mitigating the climate change effect in vegetable production system.
Organic Farming, Climate Change, GHG Emissions, Carbon Sequestration, Mitigation Strategies
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