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Xiangzhou Zheng, Chenyi Zou, Yasa Wang, Shuping Qin, Hong Ding and Yushu Zhang
Herbicide residues in farmland soils have attracted a great deal of attention in recent decades. Their accumulation potentially decreases the activity of microbes and related enzymes, as well as disturbs the nitrogen cycle in farmland soils. In previous ...
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Mengjin Ma, Huan Li, Dongliang Yan, Yihan Zhang, Miaomiao Song, Yongchao Wang, Hao Wang, Ruixin Shao, Jiameng Guo and Qinghua Yang
The use of blended controlled-release urea (CRU) with normal urea has appeared to effectively improve grain yield and nitrogen use efficiency in summer maize systems. Nevertheless, the environmental impacts based on a life cycle assessment (LCA) and the ...
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Magdalena Szymanska, Hella Ellen Ahrends, Amit Kumar Srivastava and Tomasz Sosulski
Biogas production in waste-to-energy plants will support the decarbonization of the energy sector and enhance the EU?s energy transformation efforts. Digestates (DG) formed during the anaerobic digestion of organic wastes contain large amounts of nutrien...
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Ying Ding, Siyu Zhu, Run Pan, Jiangping Bu, Yong Liu and Aifang Ding
The application of biochar can affect soil properties and retention of fertilizer nitrogen, but its effects and mechanism on the retention capacity of different forms of nitrogen in soils are still uncertain. In this study, an indoor soil column leaching...
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Ying Tang, Xun Li, Wenzhong Shen and Zengqiang Duan
The effects of a single basal fertilization with oxamide compared with those of a split application of urea on ammonia volatilization, rice yield, nitrogen (N) accumulation, and N use efficiency were investigated in a field experiment over 2 years. The s...
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Niccolò Pampuro, Patrizia Busato and Eugenio Cavallo
The study aimed at determining ammonia and GHG emissions from soil fertilized with pellets made from composted pig slurry solid fraction and to evaluate the effects of pellet diameter and pellet application method on gaseous emissions. A laboratory scale...
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Pablo Andrés Barbieri, Hernán René Sainz Rozas and Hernán Eduardo Echeverría
Nitrogen (N) rate increases used by many farmers produce a reduced or null effect on N recovery efficiency (RE) by crops. Therefore, management practices to reduce N losses and increase RE are necessary. Co-polymer maleic itaconic acid (NSN) have become ...
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Keli He, Tao Lv, Shubiao Wu, Luchen Guo, Zeeshan Ajmal, Hongzhen Luo and Renjie Dong
Pág. 1 - 11
Ammonium stripping has gained increasing interest for nitrogen recovery in anaerobically digested effluents. However, the stripped effluents often still do not meet discharge standards, having high pH and residual pollutants. Constructed wetlands (CWs) a...
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U. Singh, J. Sanabria, E.R. Austin and S. Agyin-Birikorang
Pág. 1842 - 1854
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André Luiz Hossaka, Fernando Fernandes, Sandra Márcia Cesário Pereira da Silva, Deize Dias Lopes
Pág. 261 - 267
Biological treatment of landfill leachate faces some difficulties by influence of some physical and chemical characteristics of this sort of effluent, which usually presents high levels of nitrogen ? mainly ammonia nitrogen. High concentrations of ammoni...
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