Thursday, February 18, 2021

CLIMATE CHANGE AND AGRICULTURE

As  the  climate  continues  to  heat  up  and  the  impacts  of  global  warming  grow  more frequent  and  severe,  farmers  and  farm  communities  around  the  world  have  been increasingly  challenged. While  the  agriculture  sector  is responsible  for  climate  change  due  to  Greenhouse Gas  (GHG)  emissions,  it  is  also  severely  impacted  by  the  effects  of  changing climate. Climate  change  is  also  threatening  India’s  agricultural  growth  with  frequent  dry spells,  heat  waves  and  erratic  rainfall. Besides,  the  changing  rainfall  patterns  in the  form  of  delayed  onset  or  early  withdrawal  has  adversely  affected  the  cropping cycle  and  farm  operations.


  • Measures That Can Be Taken:
• A combination of tools and techniques covering capacity building, field demonstration, extension and outreach will enable faster adoption.  
Low External Input Systems: Moving our current agricultural production systems from an input-intensive regime to low external input systems requires engaging with farmers to first demonstrate alternate practices and then convincing them to change their practices.  Concepts such as Low External Input Sustainable Agriculture (LEISA) are receiving increased attention as a sustainable alternative to chemical farming.  
Zero Budget Natural Farming (ZBNF): It encourages farmers to use low-cost locally sourced input and should be promoted to minimize the use of chemical fertilizers and pesticides. 
 • Small and Marginal Farmers: They should be persuaded to shift to alternate packages of practices, demonstrated the effectiveness of these practices and encouraged to work in collaboration with the Krishi Vigyan Kendras to increase the outreach.  For example, Cotton farmers in Maharashtra’s Yavatmal district are making the shift to a package of practices that lower the use of water (through in-situ soil moisture conservation and other demand management measures), promote the use of bio-fertilizers and bio-pesticides as a means to reduce the cost of cultivation and lower the environmental footprint of cotton cultivation.

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