Unbalanced panel data from wheat fields in India: supplemental irrigation and food system sustainability

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dc.creatorAjay, Anuraj
dc.creatorSingh, Madhulika
dc.creatorPatra, Subhajit
dc.creatorPoonia, Shishpal
dc.creatorPundir, Ajay Kumar
dc.creatorKumar, Pankaj
dc.creatorSingh, Deepak Kumar
dc.creatorKumar, Anurag
dc.creatorIgnatius, Moben
dc.creatorRanjan, H.
dc.creatorSherpa, Sonam Rinchen
dc.creatorMalik, Ram Kumar
dc.creatorKumar, Virender
dc.creatorMcDonald, A. J.
dc.creatorLaing, A. M.
dc.date2026-02-20
dc.date2026-05-25T03:11:19Z
dc.date.accessioned2026-06-27T04:09:23Z
dc.descriptionWheat (Triticum aestivum L.) is a major winter season crop and a primary source of food and income for farmers in eastern India. Inadequate irrigation of wheat in this area limits its production potential. Our study evaluates the significance of one additional irrigation (supplemental) to wheat. The study presents large-scale multi-location agronomic field/on-farm trial data of supplemental irrigation conducted over six consecutive years in eastern India. The extensive agricultural experiment covered 1810 farmers' fields spanning five agro-climatic zones. The objective was to validate the contribution of supplemental irrigation applied to wheat at the grain-filling stage in supporting wheat grain yield. The on-farm experiment was structured as a split-plot design, with the additional irrigation (Treatment) randomly assigned to sub-plots. All field locations were geo-tagged and grain yields were recorded using physical crop cuts. The data was carefully curated, anonymized, and released through a Dataverse portal making it reusable and interoperable. The dataset is invaluable in understanding sustainable wheat production in regions where wheat is inadequately irrigated.
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/183038
dc.identifier.urihttp://hdl.handle.net/123456789/23349
dc.languageen
dc.publisherIOP Publishing Ltd.
dc.rightsOpen Access
dc.sourceAjay, Anurag, Madhulika Singh, Subhajit Patra, S. P. Poonia, Ajay Pundir, Pankaj Kumar, Deepak K. Singh et al. "Unbalanced panel data from wheat fields in India: supplemental irrigation and food system sustainability." Environmental Research: Food Systems 3, no. 1 (2026): 014502.
dc.subjectTriticum aestivum
dc.subjectirrigation systems
dc.subjectsupplemental irrigation
dc.subjectseed filling
dc.subjectcrop yield
dc.subjecton-farm research
dc.subjectagroclimatic zones
dc.subjectsustainable agriculture
dc.titleUnbalanced panel data from wheat fields in India: supplemental irrigation and food system sustainability
dc.typeJournal Article

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Instituto Internacional de Investigación del Arroz (IRRI)