Environment Conservation Journal (Mar 2023)

Crop acreage and yield mapping of groundnut crop in erstwhile Mahabubnagar District using RS and GIS

  • Sushma Sannidi,
  • Madhu Bindu G. S,
  • Neelima T. L,
  • Umadevi M

DOI
https://doi.org/10.36953/ECJ.11652306
Journal volume & issue
Vol. 24, no. 2

Abstract

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An investigation was carried in the erstwhile Mahabubnagar district of Telangana during rabi 2019-20 aiming the estimation of groundnut crop acreage and yield. The crop area was estimated using the satellite images of Landsat-8-OLI sensor from September to February covering the entire crop growth period by performing an unsupervised image classification technique with 300 classes, 300 iterations and a convergence threshold of 0.99. The groundnut yield was estimated by developing the regression equation using crop-cut yield data and NDVI values of the corresponding GPS locations. The crop area was estimated to be 57,865 ha with producer’s and user’s accuracy of 100 and 90% respectively, and a relative deviation of 28.6% when compared with actual ground estimates of the Department of agriculture. The crop yields were estimated with an R2 value of 0.71 and a correlation coefficient of 0.87

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