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DESIGNING DIVERSIFIED cropping systemS IN CHINA:THEORY,APPROACHES AND IMPLEMENTATION

Frontiers of Agricultural Science and Engineering 2021年第3期8卷 362-372页

作者： Wen-Feng CONG Chaochun ZHANG Chunjie LI Guangzhou WANG Fusuo ZHANG College of Resources and Environmental Sciences National Academy of Agriculture Green DevelopmentKey Laboratory of Plant-Soil Interactions(Ministry of Education)China Agricultural UniversityBeijing 100193China

Intensive agriculture in China over recent decades has successfully realized food security but at the expense of negative environmental *** green transformation of agriculture in China requires fundamental restructuring of cropping *** paper presents a theoretical framework of theory,approaches and implementation of crop diversification schemes in ***,crop diversification schemes require identifying multiple objectives by simultaneously considering natural resources,limiting factors/constraints,and social and economic demands of different ***,it is necessary to optimize existing and/or design novel cropping systems based upon farming practices and ecological principles,and to strengthen targeted ecosystem services to achieve the identified ***,the resulting diversified cropping systems need to be evaluated and examined by employing experimental and modeling ***,a strategic plan,as presented in this paper,is needed for implementing an optimized crop diversification in China based upon regional characteristics with the concurrent objectives of safe,nutritious food production and environmental *** North China Plain is used as an example to illustrate the strategic plan to optimize and design diversified cropping *** implementation of crop diversification in China will set an example for other countries undergoing agricultural transition,and contribute to global sustainable development.

关键词： Agriculture Green Development crop diversification cropping system modeling ecosystem services sustainable agriculture

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