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Catalina Iticescu, Lucian P. Georgescu, Gabriel Murariu, Catalina Topa, Mihaela Timofti, Violeta Pintilie and Maxim Arseni
The aim of the present paper is to quantify water quality in the Lower Danube Region by using a series of multivariate techniques and the Water Quality Index (WQI). In this paper were measured 18 parameters upstream and downstream the city of Galati alon...
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Hongyan Zhu, Bingyan Zheng, Weizheng Zhong, Jinbo Xu, Weibo Nie, Yan Sun and Zilong Guan
Salt and nutrient transport and transformations during water infiltration directly influence saline soil improvement and the efficient use of water and fertilizer resources. The effects of soil initial salinity (18.3 g/kg, 25.5 g/kg, 42.2 g/kg, 79.94 g/k...
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Lihong Wang, Tianxiao Li, Hui Liu, Zuowei Zhang, Aizheng Yang and Hongyu Li
Global climate warming and increased climate variability may increase the number of annual freeze?thaw cycles (FTCs) in temperate zones. The occurrence of more frequent FTCs is predicted to influence soil carbon and nitrogen cycles and increase nitrogen ...
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Qi Chen, Yingying Zhou, Yue Qi, Wen Zeng, Zhaoji Shi, Xing Liu and Jiaen Zhang
Recent studies have indicated that the invasive apple snail (Pomacea canaliculata) exhibits tolerance to the salinity levels present in coastal agricultural soils, suggesting that apple snails could potentially invade salt-affected coastal agricultural a...
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Juanjuan Li, Changnan Yang, Xuezhi Zhang, Shengbiao Wu, Hailong Chi, Xinjiang Zhang and Changzhou Wei
The cultivation of drip-irrigated rice has resulted in lower yields. However, the decrease in rice yield under drip irrigation and its relationship with the existing water and N regime have not been fully explained. Research and development of optimized ...
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Jinfeng Ma, Yuting Wang, Yu An, Mei Zhang and Xiaodong Wang
The impact of the spatial pattern of wetland plants on nitrogen removal is a hot research topic. Ten water samples were collected from separate sampling points in mid-August and at the end of October 2021, and the concentrations of TN, NH4-N, and NO3-N i...
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Yu Yao, Ying Chen, Ruiming Han, Desheng Chen, Huanxin Ma, Xiaoxiang Han, Yuqi Feng and Chenfei Shi
This study investigates the decomposition process of algal blooms (ABs) in eutrophic lakes and its impact on the labile endogenous nitrogen (N) cycle. In situ techniques such as diffusive gradients in thin films (DGT) and high-resolution dialysis (HR-Pee...
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Ruowen Qiang, Meng Wang, Qian Li, Yingjie Li, Huixian Sun, Wenyu Liang, Cuilan Li, Jinjing Zhang and Hang Liu
Denitrification is a key process in soil available nitrogen (N) loss. However, the effects of different water-saving irrigation systems on soil N components and denitrifying bacterial communities are still unclear. In this study, quantitative fluorescenc...
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Dafeng Hui, Avedananda Ray, Lovish Kasrija and Jaekedah Christian
Microbial-driven processes, including nitrification and denitrification closely related to soil nitrous oxide (N2O) production, are orchestrated by a network of enzymes and genes such as amoA genes from ammonia-oxidizing bacteria (AOB) and archaea (AOA),...
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Huidan Lv, Ping He and Shicheng Zhao
The form and distribution of organic carbon in soil affect its stability and storage, and nitrogen (N) fertilization can affect the transformation and accumulation of soil organic carbon (SOC), whereas how the N fertilizer rate affects SOC storage by reg...
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