Using remote sensing technologies to enhance resource conservation and agricultural productivity in underutilized lands of South Asia

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Chandna, Parvesh; Ladha, J.K.; Singh, U.P.; Punia, Milap; Gupta, Raj; Sidhu, B.S., 2014, "Using remote sensing technologies to enhance resource conservation and agricultural productivity in underutilized lands of South Asia", https://doi.org/10.7910/DVN/23665, Harvard Dataverse, V1

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Description	Satisfying the food demands of an ever-increasing population, preserving the natural resource base, and improving livelihoods are major challenges for South Asia. A large area of land in the Middle and Lower Gangetic Plains of South Asia remains either uncultivated or underused following the rice harvest in the kharif (wet) season. The area includes "rice-fallow," estimated at 6.7 million ha, flood-prone riversides ("diara lands," 2.4 million ha), waterlogged areas (4.9 million ha), and salt-affected soils (2.3 million ha). Bringing these lands under production could substantially improve the food supply and enhance livelihoods in the region. This paper describes a methodological case study that targeted resource conserving technologies in underused lands of the Ballia District of eastern Uttar Pradesh (India) using multispectral remote-sensing images. Classification of temporal satellite data IRS-P6 in combination with Spot VGT 2 permitted the identification of all major categories of underused land during the post-rainy rabi/winter season, with an average accuracy of 89%. Based on three-year averages of field demonstrations, farmers gained an additional income of $63/ha by introducing raised beds in salt-affected soils; $140 and $800/ha by introducing deepwater rice varieties (monsoon) and boro rice (winter) in waterlogged areas; and $581/ha by introducing zero-till lentil (winter) in rain-fed fallow lowland. Timely wheat planting through zero-tillage implies an additional income of $147/ha and could increase wheat production by 35,000-65,000 tons in the district. The methodologies and technologies suggested in the study are applicable to more than 15 million ha of underutilized lands of the Indo-Gangetic Plains of South Asia. If the technologies are precisely applied, they can result in more than 3000 million US $ of additional income every year to these poverty prone areas.
Keyword	Riceewheat, Targeting, Resource-conserving technologies, Waterlogged, Salt effected, Rice fallow
Notes	Subject: null Type: CESD Notes: ;
License/Data Use Agreement	CC0 1.0

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Citation Metadata

Persistent Identifier	doi:10.7910/DVN/23665
Publication Date	2014-01-08
Title	Using remote sensing technologies to enhance resource conservation and agricultural productivity in underutilized lands of South Asia
Author	Chandna, ParveshIRRI-India; Department of Geography, CSRD/SSS, Jawaharlal Nehru University Ladha, J.K.IRRI-India Singh, U.P.Banaras Hindu University Punia, MilapDepartment of Geography, CSRD/SSS, Jawaharlal Nehru University Gupta, RajCIMMYT-India Sidhu, B.S.Government of Punjab, Department of Agriculture
Point of Contact	Use email button above to contact. Parvesh Chandna (IRRI-India)
Description	Satisfying the food demands of an ever-increasing population, preserving the natural resource base, and improving livelihoods are major challenges for South Asia. A large area of land in the Middle and Lower Gangetic Plains of South Asia remains either uncultivated or underused following the rice harvest in the kharif (wet) season. The area includes "rice-fallow," estimated at 6.7 million ha, flood-prone riversides ("diara lands," 2.4 million ha), waterlogged areas (4.9 million ha), and salt-affected soils (2.3 million ha). Bringing these lands under production could substantially improve the food supply and enhance livelihoods in the region. This paper describes a methodological case study that targeted resource conserving technologies in underused lands of the Ballia District of eastern Uttar Pradesh (India) using multispectral remote-sensing images. Classification of temporal satellite data IRS-P6 in combination with Spot VGT 2 permitted the identification of all major categories of underused land during the post-rainy rabi/winter season, with an average accuracy of 89%. Based on three-year averages of field demonstrations, farmers gained an additional income of $63/ha by introducing raised beds in salt-affected soils; $140 and $800/ha by introducing deepwater rice varieties (monsoon) and boro rice (winter) in waterlogged areas; and $581/ha by introducing zero-till lentil (winter) in rain-fed fallow lowland. Timely wheat planting through zero-tillage implies an additional income of $147/ha and could increase wheat production by 35,000-65,000 tons in the district. The methodologies and technologies suggested in the study are applicable to more than 15 million ha of underutilized lands of the Indo-Gangetic Plains of South Asia. If the technologies are precisely applied, they can result in more than 3000 million US $ of additional income every year to these poverty prone areas.
Keyword	Riceewheat Targeting Resource-conserving technologies Waterlogged Salt effected Rice fallow
Notes	Subject: null Type: CESD Notes: ;
Production Date	2011
Distributor	Applied Geography (Elsevier) (Appl Geogr) http://www.journals.elsevier.com/applied-geography
Distribution Date	2011
Depositor	Jean Sabado
Deposit Date	2013-12-04
Related Dataset	Chandna, P., Ladha, J. K., Singh, U. P., Punia, M., Erenstein, O., Pathak, H., et al. (2009). Technology targeting in underused lands in the Gangetic Plains of South Asia. pp. 335e354. In J. K. Ladha, Y. Singh, O. Erenstein, & HardyB.. (Eds.), Integrated crop and resource management in the riceewheat system of South Asia (pp. 395). Los Banos (Philippines): International Rice Research Institute.; Singh, U. P., Singh, Y., Kumar, V., & Ladha, J. K. (2009). Evaluation and promotion of resource conserving tillage and crop establishment techniques in the riceewheat system of eastern India. pp. 151e176. In J. K. Ladha, Y. Singh, O. Erenstein, & B. Hardy (Eds.), Integrated crop and resource management in the riceewheat system of South Asia. Los Banos (Philippines): International Rice Research Institute, 395 p.

Geospatial Metadata

Geographic Coverage	India
Geographic Unit	Ballia District of Uttar Pradesh
Geographic Bounding Box	83.4 84.38 25.33 26.11

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