Abstract
Bringing Green Revolution in Eastern India (BGREI) is a large-scale Department of Agriculture and Co-operation, Ministry of Agriculture (MoA), Government of India funded project with the aim to increase crop productivity through improved package of practices in low-productivity zones of eastern India. Assessment of the BGREI plots with respect to crop vigour variability using space-based observations was planned for 2011–2014 years. A new approach based on Synthetic Aperture Radar (SAR) data was used to assess the rice crop growth pattern and crop vigour. A methodology was developed to evaluate the effect of BGREI programme in the state of Odisha, India. The peak green biomass estimated from SAR data was found to be 10–30% higher in BGREI plots compared to the controlled plots during 2012–2013 and 2013–2014. The improvement was higher in traditionally low productive rainfed zones in coastal and southern Odisha as compared to the irrigated tracts of the northern plateau. Uniformity in growth in terms of growth rate, transplantation time and duration was observed in BGREI plots in both the years, but magnitude was found to be higher in 2012–2013. The impact of the BGREI programme in Odisha indicates that the scheme proved to be a breakthrough in improving rice productivity in low-productivity pockets of eastern India and the SAR-based methodology was able to pickup this with high accuracy.
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Acknowledgements
The authors are grateful to Shri Tapan Misra, Director SAC, for his support and encouragement. The authors are also grateful to Shri A.S. Kiran Kumar, then Director SAC, currently Chariman, ISRO, for his inspiration and encouragement. The authors are also grateful to Dr. Manab Chakraborty for technical guidance and Shri K.R. Manjunath for encouragement during the period of investigation. The authors are highly grateful to State Department of Agriculture, Odisha, for providing ground data and BGREI point locations. This project was a part of FASAL research activity; thus, support from MoA is duly acknowledged.
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Haldar, D., Gopalan, R.S. Assessment of paddy performance under BGREI initiative using RISAT SAR data. Paddy Water Environ 15, 761–771 (2017). https://doi.org/10.1007/s10333-017-0589-8
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DOI: https://doi.org/10.1007/s10333-017-0589-8