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Regional irrigation expansion can support climate-resilient crop production in post-invasion Ukraine
Nature Food ( IF 23.6 ) Pub Date : 2024-07-18 , DOI: 10.1038/s43016-024-01017-7
Lorenzo Rosa 1 , Silvan Ragettli 2 , Ranu Sinha 3 , Olga Zhovtonog 4 , Winston Yu 3 , Poolad Karimi 3, 5
Affiliation  

Ukraine supplies a large proportion of grain and oilseeds to the world market and faces disruptions from the Russian invasion in 2022. Here we explore the combined effects of the invasion and climate change on Ukraine’s irrigation. In 2021, only 1.6% of Ukraine’s cropland was irrigated. Of this portion, 73% experienced substantial declines in irrigated crop production following the invasion. We estimate that by the mid-twenty-first century, three-quarters of croplands will experience water shortages, making business-as-usual rain-fed agricultural practices inadequate in addressing the challenges posed by climate change. We explore how leveraging local surface and groundwater resources could enable sustainable irrigation expansion over 18 million hectares of croplands and form a viable climate adaptation strategy. Finally, we identify regions for implementing enhancements or expansions of irrigation systems that can foster a more resilient agricultural sector—underscoring the growing importance of irrigation in sustaining crop production in Ukraine.



中文翻译:


扩大区域灌溉可以支持入侵后乌克兰的气候适应型作物生产



乌克兰向世界市场供应大量谷物和油籽,并面临 2022 年俄罗斯入侵的干扰。在此,我们探讨入侵和气候变化对乌克兰灌溉的综合影响。 2021年,乌克兰只有1.6%的农田得到了灌溉。其中 73% 的作物在入侵后灌溉作物产量大幅下降。我们估计,到二十一世纪中叶,四分之三的农田将出现缺水,使得照常的雨养农业做法不足以应对气候变化带来的挑战。我们探索如何利用当地地表水资源和地下水资源,实现 1800 万公顷农田的可持续灌溉扩张,并形成可行的气候适应战略。最后,我们确定了加强或扩大灌溉系统的区域,以培育更具弹性的农业部门,强调灌溉在维持乌克兰作物生产方面日益重要。

更新日期:2024-07-18
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