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Dynamic regulation of the irrigation-nitrogen-biochar nexus for the synergy of yield,quality,carbon emission and resource use efficiency in tomato

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Journal of Integrative Agriculture 2024年第2期23卷 680-697页

作者： Ping’an Zhang Mo Li Qiang Fu Vijay PSingh Changzheng Du Dong Liu Tianxiao Li Aizheng Yang School of Water Conservancy&Civil Engineering Northeast Agricultural UniversityHarbin 150030China Key Laboratory of Effective Utilization of Agricultural Water Resources Ministry of Agriculture and Rural Affairs/Northeast Agricultural UniversityHarbin 150030China Department of Biological and Agricultural Engineering&Zachry Department of Civil&Environmental Engineering Texas A&M UniversityTX 77843-117USA National Water and Energy Center UAE UniversityAI Ain999041United Arab Emirates Heilongjiang Agricultural Engineering Vocational College Harbin 150030China

Integrated water and fertilizer management is important for promoting sustainable development of facility agriculture,and biochar plays an important role in guaranteeing food production,as well as alleviating water shortages and the overuse of *** field experiment had twelve treatments and a control(CK)trial including two irrigation amounts(I1,100%ETm;I2,60%ETm;where ETm is the maximum evapotranspiration),two nitrogen applications(N1,360 kg ha^(−1);N2,120 kg ha^(−1))and three biochar application levels(B1,60 t ha^(−1);B_(2),30 t ha^(−1)and B3,0 t ha^(−1)).A multi-objective synergistic irrigation-nitrogen-biochar application system for improving tomato yield,quality,water and nitrogen use efficiency,and greenhouse emissions was developed by integrating the techniques of experimentation and ***,a coupled irrigation-nitrogen-biochar plot experiment was ***,tomato yield and fruit quality parameters were determined experimentally to establish the response relationships between irrigation-nitrogen-biochar dosage and yield,comprehensive quality of tomatoes(TCQ),irrigation water use efficiency(IWUE),partial factor productivity of nitrogen(PFPN),and net greenhouse gas emissions(NGE).Finally,a multi-objective dynamic optimization regulation model of irrigation-nitrogen-biochar resource allocation at different growth stages of tomato was constructed which was solved by the fuzzy programming *** results showed that the application of irrigation and nitrogen to biochar promoted increase in yield,IWUE and PFPN,while it had an inhibitory effect on *** addition,the optimal allocation amounts of water and fertilizer were different under different *** yield of the S1 scenario increased by 8.31%compared to the B_(1)I_(1)N_(2) treatment;TCQ of the S2 scenario increased by 5.14%compared to the B_(2)I_(2)N_(1) treatment;IWUE of the S3 scenario increased by 10.01%compared to the B1I2N2 treatment;PFPN of the S4 scenario increased by

关键词： irrigation-nitrogen-biochar dynamic regulation multi-dimensional target collaboration tomato sustainability

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