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Hengjia Zhang, Yong Wang, Shouchao Yu, Chenli Zhou, Fuqiang Li, Xietian Chen, Lintao Liu and Yingying Wang
In order to optimize the water and nitrogen management mode and realize the efficient scale production of sweet pepper, from 2021 to 2022, field experiments on sweet pepper cultivation with different water and nitrogen coupling modes were conducted in th...
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Changjiang Liu, Fei Zhang, Xiangyu Ge, Xianlong Zhang, Ngai weng Chan and Yaxiao Qi
Nitrogen overload is one of the main reasons for the deterioration of surface water quality. Hence, monitoring nitrogen loadings is vital in maintaining good surface water quality. Increasingly, the use of spectral reflectance to monitor nitrogen concent...
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Giovanna De Filippis, Laura Ercoli and Rudy Rossetto
Nitrogen-nitrate, while being fundamental for crop production, is of particular concern in the agricultural sector, as it can easily leach to the water table, worsening groundwater quality. Numerical models and Geographic Information System may support t...
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Tienan Li, Fang Ma, Jun Wang, Pengpeng Qiu, Ning Zhang, Weiwei Guo, Jinzhong Xu and Taoyan Dai
In order to identify the effects of the slope and precipitation intensity on the soil runoff depth and runoff rate, different tillage patterns (slope-ridge direction, horizontal slope-ridge direction, no-ridge farming) and different slopes (3° and 5°) we...
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Shanshan Hou, Yugui Yang, Yong Chen, Dawei Lei and Chengzheng Cai
The existence of fracture flow has an undesirable effect on the creation of the frozen wall. Brine and liquid nitrogen combined freezing technology can ensure the safety of freezing engineering, reduce the construction period and save cost. Considering t...
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Evelyn Uuemaa, Chris C. Palliser, Andrew O. Hughes and Chris C. Tanner
Natural wetlands can play a key role in controlling non-point source pollution, but quantifying their capacity to reduce contaminant loads is often challenging due to diffuse and variable inflows. The nitrogen removal performance of a small natural headw...
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Evelyn Uuemaa, Chris C. Palliser, Andrew O. Hughes and Chris C. Tanner
Natural wetlands can play a key role in controlling non-point source pollution, but quantifying their capacity to reduce contaminant loads is often challenging due to diffuse and variable inflows. The nitrogen removal performance of a small natural headw...
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Dongjing Huang, Chuanchong Tian, Tao Xu, Zhen Liu, Hongyu Ma, Zexian Zhang and Xinsheng Dong
In order to safeguard the ecological health of Changxinggang River?s water environment, conducting research on ecological discharge, including establishing reasonable ecological discharge control values, is of great importance. This study utilized monthl...
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Min Zong, Yuanman Hu, Miao Liu, Chunlin Li, Cong Wang and Jianxin Liu
Urban agglomeration is a new characteristic of the Chinese urbanization process, and most of the urban agglomeration is located in the same watershed. Thus, urban non-point source (NPS) pollution, especially the characteristic pollutants in urban areas, ...
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Zhenhua Wang, Qingyong Bian, Jinzhu Zhang and Bo Zhou
Studying water?fertilizer coupling effects in a drip irrigation system is critical for sustainable agricultural development in arid areas, such as that of Xinjiang in China, to find out the optimized water and fertilizer management. Therefore, a two-year...
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Joseph M. Battistelli, Rima B. Franklin and Aaron L. Mills
Most domestic wastewater can be effectively treated for secondary uses by engineered biological systems. These systems rely on microbial activity to reduce nitrogen (N) content of the reclaimed water. Such systems often employ a tidal-flow process to min...
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Kai Zhang, Dongli Li, Xuejun He, Changyuan Xie and Haibo He
Sedimentary organic matter is an important component of the metabolism of a lake?s ecosystem, and it is generally derived from both the watershed and the primary productivity of a lake. Understanding the sources of organic matter in lakes and lake trophi...
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Élia Fernandes, Catarina Teixeira and Adriano A. Bordalo
The spatial patterns of chlorophyll a and bacteria were assessed in a temperate Atlantic tidal estuary during seasonal surveys, as well as in consecutive summer spring and neap tides. A box model approach was used to better understand spatial and tempora...
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