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Dr. P. Mukherjee, D.Sc.
FBS, FEHT, FAPT

Head, Department of Botany
K. K. M. College, Pakur-816107, Jharkhand
Mob.: +91-9006761775, 9386729301
Email: prasanjitmukherjee701@gmail.com

The Biobrio 9(1 & 2), 2022

Reduction in crop production due to increase in excessive temperature

Uma Shanker Singh

ABSTRACT:

Our country has been witnessing the hottest March and April in the last 122 years ever since
the mankind has started keeping records, that is, 1901. Citrus fruit, which is also called lemon
is a household fruit and recently it saw a spike in prices which was not seen before. Lemon
orchards are extremely sensitive to excess moisture and thus, due to the heavy rainfall, the
bahar treatment failed and flowering did not happen leading to decline in production
countrywide. The extreme weather has been extremely devastating for the other crops in
India and this has been found that India lost to the tune of 5.04 million hectare of crop area to
the different forms of cyclonic storms, landslides, flash floods and cloudburst till 25th November
2019. Another study tells us that 45 hailstorm events hit over 80 districts in 12 states in India
in between December 2021 to 15th January 2022 therefore, devastating the agricultural crops
in India. A study which was specific to only one district each in Kerala, MP and rest of Gujarat
reveals that the yield of major agricultural crops namely, rice, banana, rubber, coffee, black
pepper, coconut, and coconut, all rain-fed crops, showed a decline of 0.3% to 33% under
different scenarios of climate change.

Keywords:    Climate change, Greenhouse gases, Citrus medica, Harvesting cycle



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