Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei Province
The misalignment between the water-soil-grain supply and demand system presents a major challenge to the sustainable development of China’s agriculture, and optimizing crop planting structures plays a key role in it. Currently, the dietary patterns of Chinese residents are shifting from subsistence-...
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Elsevier
2025-10-01
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| Series: | Agricultural Water Management |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0378377425004846 |
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| author | Wenxue Xia Jiankang Dong Bing Zhang Jingyan Han |
| author_facet | Wenxue Xia Jiankang Dong Bing Zhang Jingyan Han |
| author_sort | Wenxue Xia |
| collection | DOAJ |
| description | The misalignment between the water-soil-grain supply and demand system presents a major challenge to the sustainable development of China’s agriculture, and optimizing crop planting structures plays a key role in it. Currently, the dietary patterns of Chinese residents are shifting from subsistence-based to well-being-oriented, evolving from a predominantly “grain and vegetable” structure to a diversified diet incorporating “grain, meat, vegetables, and fruits”. Given the rigid constraints on water resources, addressing how to optimize crop planting structures in Hebei Province while considering multiple objectives remains a critical challenge. This study focused on Hebei Province, analyzing its agricultural planting situation and incorporating the balanced dietary needs of Chinese residents into the “water-soil-grain” planting structure optimization model. Using the NSGA-II algorithm, the study optimized the crop planting structure under two scenarios: water-saving objective and water-efficiency objective. The results revealed the following: (1) The total crop output in Hebei Province increased consistently, while the cultivated land area remained relatively stable. The annual average of total agricultural water use showed a downward trend with an average annual decrease of 1.88 %. (2) In the scenario 1, the grain planting area decreased by 15.88 %, while the fruit planting area increased by 2.09 times, meeting the needs of a low-level balanced diet. In the scenario 2, the planting areas for vegetables and fruits increased while the grain planting area decreased by 10.91 %. That has important implications for the utilization of agricultural water resources and the enhancement of regional food security in water-scarce areas. |
| format | Article |
| id | doaj-art-7f5e80458d8f48f5913d18a9d8ca2c72 |
| institution | Kabale University |
| issn | 1873-2283 |
| language | English |
| publishDate | 2025-10-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Agricultural Water Management |
| spelling | doaj-art-7f5e80458d8f48f5913d18a9d8ca2c722025-08-26T04:14:09ZengElsevierAgricultural Water Management1873-22832025-10-0131910977010.1016/j.agwat.2025.109770Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei ProvinceWenxue Xia0Jiankang Dong1Bing Zhang2Jingyan Han3Faculty of Geography, Tianjin Normal University, Tianjin 300387, ChinaFaculty of Geography, Tianjin Normal University, Tianjin 300387, China; Tianjin Key Laboratory of Water Resources and Environment, Tianjin Normal University, Tianjin 300387, ChinaFaculty of Geography, Tianjin Normal University, Tianjin 300387, China; Tianjin Key Laboratory of Water Resources and Environment, Tianjin Normal University, Tianjin 300387, China; Correspondence to: Tianjin Key Laboratory of Water Resources and Environment, Tianjin Normal University, China.College of Water Conservancy Engineering, Tianjin Agricultural University, Tianjin 300392, ChinaThe misalignment between the water-soil-grain supply and demand system presents a major challenge to the sustainable development of China’s agriculture, and optimizing crop planting structures plays a key role in it. Currently, the dietary patterns of Chinese residents are shifting from subsistence-based to well-being-oriented, evolving from a predominantly “grain and vegetable” structure to a diversified diet incorporating “grain, meat, vegetables, and fruits”. Given the rigid constraints on water resources, addressing how to optimize crop planting structures in Hebei Province while considering multiple objectives remains a critical challenge. This study focused on Hebei Province, analyzing its agricultural planting situation and incorporating the balanced dietary needs of Chinese residents into the “water-soil-grain” planting structure optimization model. Using the NSGA-II algorithm, the study optimized the crop planting structure under two scenarios: water-saving objective and water-efficiency objective. The results revealed the following: (1) The total crop output in Hebei Province increased consistently, while the cultivated land area remained relatively stable. The annual average of total agricultural water use showed a downward trend with an average annual decrease of 1.88 %. (2) In the scenario 1, the grain planting area decreased by 15.88 %, while the fruit planting area increased by 2.09 times, meeting the needs of a low-level balanced diet. In the scenario 2, the planting areas for vegetables and fruits increased while the grain planting area decreased by 10.91 %. That has important implications for the utilization of agricultural water resources and the enhancement of regional food security in water-scarce areas.http://www.sciencedirect.com/science/article/pii/S0378377425004846Balanced dietFood securityWater use scenarioPlanting Structure OptimizationFood-Vegetables-FruitHebei Province |
| spellingShingle | Wenxue Xia Jiankang Dong Bing Zhang Jingyan Han Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei Province Agricultural Water Management Balanced diet Food security Water use scenario Planting Structure Optimization Food-Vegetables-Fruit Hebei Province |
| title | Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei Province |
| title_full | Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei Province |
| title_fullStr | Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei Province |
| title_full_unstemmed | Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei Province |
| title_short | Optimization of agricultural planting structure in major grain-producing areas based on supply and demand and water resources: A case study of Hebei Province |
| title_sort | optimization of agricultural planting structure in major grain producing areas based on supply and demand and water resources a case study of hebei province |
| topic | Balanced diet Food security Water use scenario Planting Structure Optimization Food-Vegetables-Fruit Hebei Province |
| url | http://www.sciencedirect.com/science/article/pii/S0378377425004846 |
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