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Hongmeng Ye, Xuyin Yuan, Lei Han, Ja Bawk Marip and Jing Qin
Non-point source pollution is widely considered a serious threat to drinking water. Eutrophication in Chinese watershed is mainly due to nitrogen and phosphorus output from agricultural source. Taihu Lake is a typical eutrophic lake in China, a basin rep...
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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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Xiaowen Ding, Ying Xue, Ming Lin and Yuan Liu
The Sichuan Basin is the main agricultural production area of the upper reaches of the Yangtze River and is also an extremely important ecological area because it is rich in biodiversity and has complex and diverse landscape types. The dominant soil type...
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Xiaowen Ding, Ying Xue, Ming Lin, Yuan Liu
Pág. 1 - 13
The Sichuan Basin is the main agricultural production area of the upper reaches of the Yangtze River and is also an extremely important ecological area because it is rich in biodiversity and has complex and diverse landscape types. The dominant soil type...
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Yongping Yuan, Ronald L. Bingner, Martin A. Locke, Jim Stafford and Fred D. Theurer
High phosphorus (P) loss from agricultural fields has been an environmental concern because of potential water quality problems in streams and lakes. To better understand the process of P loss and evaluate the effects of different phosphorus fertilizatio...
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Damon E. Abdi, Jennifer Blanchard, Jeb S. Fields, Leticia Santos, Lily Beasley and Jeffrey Beasley
Short-cycle horticulture crops often rely on fertigation to provide immediately available nutrients. This practice poses an environmental threat when nutrients, particularly phosphorus, leach from containers and enter waterways. One method that could be ...
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Lakesh K. Sharma, Sukhwinder K. Bali and Ahmed A. Zaeen
Recent phosphorus (P) pollution in the United States, mainly in Maine, has raised some severe concerns over the use of P fertilizer application rates in agriculture. Phosphorus is the second most limiting nutrient after nitrogen and has damaging impacts ...
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Vivek Venishetty, Prem B. Parajuli and Filip To
Sediment deposition in river channels from various topographic conditions has been one of the major contributors to water quality impairment through non-point sources. Soil is one of the key components in sediment loadings, during runoff. Yazoo River Wat...
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Vetriselvi Sampath, Shanshui Gao, Jae Hong Park and In Ho Kim
To evaluate the effect of exogenous phytase (Ronozyme HiPhos-L, produced by the strain of Aspergillus oryzae), 1050 one-day-old Ross-308 broilers with an initial average body weight of 50.29 ± 0.98 g were randomly assigned to one of seven dietary treatme...
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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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Sisay A. Belay, Tewodros T. Assefa, Abeyou W. Worqlul, Tammo S. Steenhuis, Petra Schmitter, Manuel R. Reyes, P. V. Vara Prasad and Seifu A. Tilahun
Agriculture in Africa is adversely affected by the loss of soil fertility. Conservation agriculture (CA) was introduced to curb the loss of soil fertility and water shortages and improve crop productivity. However, information on how CA practices enhance...
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Runzhe Geng, Peihong Yin, Qianru Gong, Xiaoyan Wang, Andrew N. Sharpley
Pág. 1 - 16
Best management practices (BMPs) are being implemented to reduce non-point sources pollution in China and worldwide. There are many types of agricultural BMPs, but their effectiveness differs from farm to farm, depending on where they are applied, how th...
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Nnaemeka C. Okochi and Dena W. McMartin
The investigation of electric arc furnace (EAF) steel slag as a viable add-on technology to existing stormwater systems for the removal of dissolved phosphorus (P) was extended to explore the effects of varying environmental and treatment system conditio...
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Yinghui Zhao, Mengyuan Jiang, Jing Cheng and Congfeng Jiang
This paper analyzes the spatiotemporal changes and patterns of a regional water environment based on the hydrological and water quality monitoring times and the geographical locations of the monitoring sections in the research area, the plain of Cixi, ea...
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Bing Li, Hao Peng and Jing Guo
Phosphogypsum is a kind of solid waste produced in wet process of producing phosphoric acid, which affects the filtration rate and water content of phosphogypsum. The effects of single surfactant sodium dodecyl sulfate (SDS), sodium dodecylbenzene sulfon...
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Gang Li, Zhi Zhang, Linlu Shi, Yan Zhou, Meng Yang, Jiaxi Cao, Shuhong Wu and Guangchun Lei
Inappropriate grazing management is one of the most common causes of grassland degradation, and thus, an assessment of soil properties under different grazing intensities is critical for understanding its effects on ecosystem nutrient cycling and for for...
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Abeer Albalawneh, Tsun-Kuo Chang, Chi-Su Chou, Sireen Naoum
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The main objective of this study was to evaluate the performance and treatment efficiency of the Horizontal Sub-Surface Flow Constructed Wetland treatment system (HSF-CW) in an arid climate. Seventeen sub-surface, horizontal-flow HSF-CW units have been o...
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Weidan Lu, Zhiqiang Hao, Xiaolong Ma, Jianglong Gao, Xiaoqin Fan, Jianfu Guo, Jianqiang Li, Ming Lin and Yuanhang Zhou
Organic fertilizer can improve soil management and alleviate soil nutrient loss caused by excessive fertilization. This study determines a fertilization scheme that can achieve high and stable crop yield and effective soil fertilization by exploring the ...
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Shouqiang Zhao, Zhongyang Li, Chuncheng Liu, Jiuming Sun, Jibin Song, Xiaotong Li and Yuan Liu
To investigate the effects of different manures in combination with fulvic acid on the abundance of N-cycling functional genes in greenhouse soils, Chinese cabbage was planted for three growing seasons. A total of six treatments?pig manure (P), pig manur...
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Thidarat Rupngam, Aimé J. Messiga and Antoine Karam
Extended waterlogging (WL) conditions in heavily manured soils can change soil phosphorus (P) dynamics. We assessed the effects of soil moisture regimes (field capacity (FC) and WL) and P rates on (i) dry matter (DM) yield and P offtake of ryegrass, (ii)...
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