Year: 2021 | Month: June | Volume 10 | Issue 2

Study on Yield Gap in Food Crops and Commodity Potential in Tamil Nadu

A. Malaisamy
DOI:10.46852/2249-6637.02.2021.5

Abstract:

The food production must increase substantially in pace with the population growth. However, the food production is limited due to land availability, climatic conditions, water resources, and many other biophysical factors. Quantifying the food production in every hectare is necessary to take counter measures to improve the yield growth. The yield gap is the variation between the average actual yield and the average expected yield. This study quantifies the yield gap in significant regions of the Tirunelveli district concerning Food Crops production. The study involves the historical information of Tirunelveli for a range of 20 years. This gap is likely due to degraded, less fertile soils, pockets of endemic cropping systems, and a low adoption rate of high yielding technologies by farmers. . The yield gap in India reveals the bridgeable gap to be quite broad. The districts are clustered based on productivity and the yield gap. The inferences will help to take necessary precautions to reduce the yield gap and keep pace with the demand and the supply of essential food crops.

Highlights

  • Yield gap analysis provides a measure of untapped food production capacity.
  • Increase the yields on the existing croplands (i.e. closing the yield gaps) –Reallocate current agricultural production to more productive uses.
  • A novel approach was developed to investigate causes of yield gap over large regions agricultural food crop demand is expected to increase by 50% by 2050.




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