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Integrating crop redistribution and improved management towards meeting China's food demand with lower environmental costs

文献类型： 外文期刊

作者： Wang, Zihan 1 ; Yin, Yulong 1 ; Wang, Yingcheng 1 ; Tian, Xingshuai 1 ; Ying, Hao 1 ; Zhang, Qingsong 1 ; Xue, Yanfang 2 ; Oenema, Oene 3 ; Li, Shengli 4 ; Zhou, Feng 5 ; Du, Mingxi 6 ; Ma, Lin 7 ; Batchelor, William D. 8 ; Zhang, Fusuo 1 ; Cui, Zhenling 1 ;

作者机构： 1.China Agr Univ, Natl Acad Agr Green Dev, Coll Resources & Environm Sci, Key Lab Plant Soil Interact,Minist Educ, Beijing, Peoples R China

2.Shandong Acad Agr Sci, Maize Res Inst, Jinan, Peoples R China

3.Wageningen Univ & Res, Wageningen Environm Res, Wageningen, Netherlands

4.Beijing Jingwa Agr Sci & Technol Innovat Ctr, Beijing, Peoples R China

5.Peking Univ, Sino France Inst Earth Syst Sci, Coll Urban & Environm Sci, Lab Earth Surface Processes, Beijing, Peoples R China

6.Xi An Jiao Tong Univ, Sch Publ Policy & Adm, Xian, Peoples R China

7.Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Key Lab Agr Water Resources, Shijiazhuang, Peoples R China

8.Auburn Univ, Biosyst Engn Dept, Auburn, AL USA

期刊名称：NATURE FOOD （ 影响因子：23.2； 五年影响因子：23.2 ）

ISSN：

年卷期： 2022 年 3 卷 12 期

页码：

收录情况： SCI

摘要： China feeds 19.1% of the world's population with 8.6% of the arable land. Here we propose an integrated approach combining crop redistribution and improved management to meet China's food demand in 2030. We simulated the food demand, estimated the national crop production through the productivity of the top 10% of producers in each county, and optimized the spatial distribution of 11 groups of crop types among counties using the data of the top producers. Integrating crop redistribution and improved management increased crop production and can meet the food demand in 2030, while the agricultural inputs (N and P fertilizers and irrigation water) and environmental impacts (reactive N loss and greenhouse gas emissions) were reduced. Although there are significant socio-economic and cultural barriers to implementing such redistribution, these results suggest that integrated measures can achieve food security and decrease negative environmental impacts. County-specific policies and advisory support will be needed to achieve the promises of combining optimization strategies.

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