Biodegradable film mulching reduces the climate cost of saving water without yield penalty in dryland rice production
文献类型: 外文期刊
第一作者: Gao, Haihe
作者: Gao, Haihe;Liu, Qin;Gong, Daozhi;Cui, Jixiao;Ma, Fen;He, Wenqing;Yan, Changrong;Mei, Xurong;Gao, Haihe;Liu, Qin;Cui, Jixiao;He, Wenqing;Yan, Changrong;Liu, Hongjin;Luo, Lijun;Luo, Lijun;Qi, Haibin;Mancl, Karen
作者机构:
关键词: Direct dryland seeding; Biodegradable film mulching; Rice yield; Water productivity; Greenhouse emissions; Synchronization
期刊名称:RESOURCES CONSERVATION AND RECYCLING ( 影响因子:13.2; 五年影响因子:13.4 )
ISSN: 0921-3449
年卷期: 2023 年 197 卷
页码:
收录情况: SCI
摘要: Global resource shortage and climate change are the grandest challenges facing traditional flooded rice cultivation. In this study, different rice production patterns were examined to quantify the effects on crop production, greenhouse gas (GHG) emissions, and synchronization index of water conservation and GHG mitigation. The results indicated that rice direct dryland seeding with biodegradable mulching showed the best performance in maintaining yield (7,802 kg ha-1), saving irrigation water (67%), increasing net profit (619 CNY ha-1), reducing CH4 emissions (73%), global warming potential (69%) and GHG intensity (69%), although it increased N2O emissions (59%), compared with continuous flooding. Rice direct dryland seeding without mulching showed similar water savings and GHG mitigation with mulching, but it caused yield and net profit reductions by 20% and 40%, and synchronization index increment by 127%. These findings can guide the implementation of dryland rice production in priority areas, contributing to high-efficiency, eco-friendly agricultural cultivation.
分类号:
- 相关文献
作者其他论文 更多>>
-
An alternative water-fertilizer-saving management practice for wheat-maize cropping system in the North China Plain: Based on a 4-year field study
作者:Li, Haoru;Li, Xiaoli;Mei, Xurong;Guo, Rui;Hao, Weiping;Wang, Jiandong;Li, Haoru;Li, Xiaoli;Mei, Xurong;Guo, Rui;Hao, Weiping;Wang, Jiandong;Nangia, Vinay
关键词:Supplemental drip irrigation; Drip fertigation; Water use efficiency; Nitrogen use efficiency; Net income; Optimized irrigation and nitrogen fertilizer; inputs
-
Apple tree transpiration estimated using the Penman-Monteith model integrated with optimized jarvis model
作者:Xing, Liwen;Cui, Ningbo;Guo, Li;Wu, Zongjun;Jiang, Shouzheng;Xing, Liwen;Cui, Ningbo;Guo, Li;Wu, Zongjun;Jiang, Shouzheng;Liu, Chunwei;Du, Taisheng;Gong, Daozhi
关键词:Canopy resistance; Constraint function; Swarm intelligence optimization algorithms; Growth period segmentation
-
Predicting daily global solar radiation in various climatic regions of China based on hybrid support vector machines with meta-heuristic algorithms
作者:Wu, Zongjun;Cui, Ningbo;Zhu, Feiyu;Li, Yanling;Xing, Liwen;Wang, Zhihui;Zhu, Bin;Chen, Xi;Wen, Shengling;Zha, Yuxuan;Gong, Daozhi;Zhu, Feiyu
关键词:Global solar radiation; Intelligent learning model; Ant colony optimization; Cuckoo search; Grey wolf optimization; Hybrid models
-
Simulation of daily maize evapotranspiration at different growth stages using four machine learning models in semi-humid regions of northwest China
作者:Wu, Zongjun;Cui, Ningbo;Xing, Liwen;Zhu, Bin;Chen, Xi;Wen, Shengling;Liu, Quanshan;Wu, Zongjun;Cui, Ningbo;Xing, Liwen;Zhu, Bin;Chen, Xi;Wen, Shengling;Liu, Quanshan;Gong, Daozhi;Zhu, Feiyu
关键词:Crop evapotranspiration; Random Forest; Support Vector Machine; Artificial Neural Network; Extreme Learning Machine; Maize
-
Multi-year vertical and life cycle impacts of C-N management on soil moisture regimes
作者:Zhu, Jie;Chen, Shanghong;Zhang, Qingwen;Mei, Xurong;Chen, Shanghong
关键词:C-N management; Soil moisture regimes; Vertical impacts; Life cycle impacts; Split-plot design
-
Deficit drip irrigation improves kiwifruit quality and water productivity under rain-shelter cultivation in the humid area of South China
作者:Zheng, Shunsheng;Jiang, Shouzheng;Cui, Ningbo;Zhao, Lu;Wu, Zongjun;Liu, Quanshan;Zheng, Shunsheng;Jiang, Shouzheng;Cui, Ningbo;Zhao, Lu;Wu, Zongjun;Liu, Quanshan;Gong, Daozhi;Wang, Yaosheng
关键词:Water deficit; Kiwifruit vine; Growth stage; Fruit quality; Kiwifruit yield
-
Potential sources and occurrence of macro-plastics and microplastics pollution in farmland soils: A typical case of China
作者:Ren, Siyang;Wang, Kai;Zhang, Jinrui;Li, Jingjing;Zhang, Hanyue;Xu, Wen;Liu, Xuejun;Zhang, Fusuo;Ren, Siyang;Wang, Kai;Zhang, Jinrui;Li, Jingjing;Zhang, Hanyue;Xu, Wen;Liu, Xuejun;Zhang, Fusuo;Ren, Siyang;Jones, Davey L.;Chadwick, David R.;Zhang, Jinrui;Liu, Xuejun;Zhang, Hanyue;Qi, Ruimin;Yan, Changrong;Yan, Changrong;Jones, Davey L.
关键词:Abundance; farmland soils; macro-plastics; microplastics; quantitative method; source apportionment