Author(s):

Sudhir Singh, YP Singh, Ravi Gurjar and SS Tomar

Abstract: A study was conducted on climatic abnormalities impact on changes in area and productivity after 3 decades of different agro-climatic regions of Madhya Pradesh state of India and mitigation technologies on yield and benefits of chickpea. Absolute and relative changes in area was increased by 627.67 thousand ha and 40.7% against base years (1980 to 83) area 1541.74 thousand ha, while increased in productivity by 178.33 kg ha^-1 and 37.9% compared with base year yield (471.00 kg ha^-1), respectively. All agro-climatic regions showed prominent disparity in area and productivity. Maximum area increased in Malwa plateau (420.03 thousand ha), whereas decreased in Satpura hills (-57.43 thousand ha) compared with base year. Trend of relative changes was obtained in area higher of Jhabua hills (241.18%), while declined in Satpura plateau (-24.55%). Relative changes in productivity was increased of Gird region (128.44%), whereas declined in Vindhyan plateau (-14.40%) compared of base year. Adoption of technologies was neutralized effect of climatic abnormalities. Excess soil moisture through winter rains or faulty irrigation which leads increases plant growth. Under these conditions, crop sown by BBF increased yield by 74.7%, whereas minimum increases in grain yield was using drought tolerant cultivar JG-14 (18.5%) under drought conditions. Adverse effect of terminal heat reduced by advance sowing with ZT just after harvest of Kharif crops, resulting increased of grain yield by 22.2%, while root rot effect was diminished by BBF sowing of JG-11 cultivar increased grain yield by 37.7% over control. Wilt infestation under rainfed situations was reduced by summer deep tillage and sowing resistant cultivar JG-11 resulted increased in yield by 37.5%, whereas increase of 38.1% grain yield by crop sown with BBF and spray of Mencozeb 3 g lit.^-1 water at appearance of cerecospora disease. Similarly, using improved techniques for mitigation of climatic abnormalities gave higher net returns and B:C ratio compared to control.

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