ArticleNature food2025
Integrated irrigation and nitrogen optimization is a resource-efficient adaptation strategy for US maize and soybean production.
Article in Nature food, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Spatially explicit temperature optima improve climate impact assessment of global crop productivity.Nature communications · 2026Article
- Sustainable global irrigation expansion could support only two-thirds of croplands under 1.5 °C and 3 °C warming.Nature food · 2026Article
- Climate stressor projections inform adaptation needs in South Asian oilseed systems.NPJ sustainable agriculture · 2026Article
- Moderate densification and fertilization enhance water use efficiency in foxtail millet by optimizing water consumption partitioning.Frontiers in plant science · 2026Article
- Molecular characterization and fertilizer optimization in soybean to maximize productivity and minimize environmental impact.Scientific reports · 2025Article
- Rhizosphere soil properties may not determine tobacco growth after land consolidation.Scientific reports · 2025Article
- Low-carbon ammonia production is essential for resilient and sustainable agriculture.Nature food · 2025Review
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3 authors.
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Abstract
Climate change poses substantial challenges to agriculture and crop production, but the combined role of nitrogen and water inputs in adaptation has been largely overlooked. Here, by developing regression models using US county-level data (2008-2020), we demonstrate that integrated optimization of irrigation and nitrogen inputs represents the most resource-efficient strategy to offset the climate-related yield losses. Under the 1.5 °C (3 °C) warming scenario, this approach involves increasing irrigation water withdrawals for maize by 62% (67%) and reducing it for soybean by 65% (58%), while increasing nitrogen inputs for maize by 4% (13%) and for soybean by 10% (130%) annually. This strategy reduces unsustainable irrigation water withdrawals by 73% (56%) for maize and 26% (28%) for soybean, enhancing water sustainability. Cost-benefit analysis indicates this optimization is cost-effective for over 80% of US maize and soybean productions, underscoring its critical role for climate change adaptation.
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