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Ying Wang, Lina Li, Xun Zhang and Mingshan Ji
Excessive pesticide application in greenhouses leads to elevated levels of pesticide residues, especially in cold seasons, thereby posing a potential dietary exposure risk to the residents? health. This study aimed to investigate 65 pesticides in 469 lea...
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Zhifang Pei and Bin Wu
With the intensification of global warming, food production will face serious drought risk. In view of the insufficient applicability of the existing crop drought index, a standardized crop water deficit index (SCWDI) was constructed based on the constru...
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Shouyin Hou, Xing Wang, Zhangchi Ji, Haitao Chen and Cheng Zhou
After corn mechanical harvest in autumn in the cold region of northeast China, straw mulching leads to high soil topsoil water content and slow ground temperature rise in the spring sowing season, which may result in a no-tillage planter being unable to ...
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Zhenhua Zhu, Hongyan Zhang, Jianjun Zhao, Xiaoyi Guo, Zhengxiang Zhang, Yanling Ding and Tao Xiong
UNESCO has classified Manchu in Northeast China as a critically endangered language. Toponyms can act as carriers of languages and can be preserved for a long time. The Manchu language was the national language in the Qing Dynasty, and there are many Man...
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Guoxu Ma, Tianliang Zhao, Shaofei Kong, Yansong Bao, Chao Chen, Sunling Gong, Jianping Guo, Chao Yu, Ming Wu, Jiacheng Chang and Yingchang You
Various particulate matters (PM) and associated carbonaceous aerosols released from open biomass burning (including open straw burning, grass and forest fires) are major sources of atmospheric pollutants. Northeast China is a central region with high for...
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Xinhua Li, Yinlong Xu, Chunchun Meng, Lei Zhang and Changgui Wang
As a main grain production area in China, Northeast China (NEC) is highly influenced by the higher warming trend than elsewhere in China or even the globe. As the warming trend goes on, scientific understanding of the changes of thermal conditions in NEC...
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Liang Xu, Lei Liu, Jian Zhang, Yinxiao Zhang, Yong Ren, Xin Wang and Weijun Li
Northeast China is located in a high latitude area of the world and undergoes a cold season that lasts six months each year. Recently, regional haze episodes with high concentrations of fine particles (PM2.5) have frequently been occurring in Northeast C...
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Yuyan Zhou, Y. Jun Xu, Weihua Xiao, Jianhua Wang, Ya Huang and Heng Yang
Climate change is expected to have stronger effects on water resources in higher latitude regions. Despite intensive research on possible hydrological responses in those regions to a warmer environment, our knowledge on erosion and sediment yield induced...
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Peili Duan, Lijie Qin, Yeqiao Wang and Hongshi He
To effectively manage water resources in agricultural production, it is necessary to understand the spatiotemporal variation of the water footprint (WF) and the influences of agricultural inputs. Employing spatial autocorrelation analysis and a geographi...
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Fengsong Zhang, Yanxia Li, Ming Yang and Wei Li
To determine the contents of heavy metal (Cu, Zn, As, Cr, Cd and Pb) in animal feeds and manures, 104 livestock feeds and 118 animal manure samples from farms of different herd size and located in northeast China were collected and their heavy metal conc...
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Yu Wang, Wenqing He, Changrong Yan, Haihe Gao, Jixiao Cui and Qin Liu
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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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Tao Zhang, Pei Wang, Jin He, Dandan Liu, Min Wang, Mingguo Wang and Shibin Xia
Groundwater is vital to local human life and agricultural irrigation, and the quality of the water is critical to human health. As a result, it is critical to investigate the hydrochemical evolution and water quality of groundwater in the Sanjiang Plain....
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Hongjun Liu and Wenyi Zhang
According to the conditions of seeding operations in hilly areas of Northeast China, a bidirectional profiling press device (BPPD) was designed. The BPPD mainly consists of a press roller and strength adjusting mechanism which could grant the BPPD horizo...
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Yuan Yue, Shuang-he Shen and Qi Wang
Drought is a recurrent meteorological phenomenon that can be disastrous for humans; however, drought characteristics vary substantially in different regions. We use meteorological data from 140 stations in Northeast China for the period 1970?2014 to calc...
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Yuan Yue, Shuang-he Shen and Qi Wang
Drought is a recurrent meteorological phenomenon that can be disastrous for humans; however, drought characteristics vary substantially in different regions. We use meteorological data from 140 stations in Northeast China for the period 1970?2014 to calc...
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Xiaohui Liu, Yu An, Guihua Dong and Ming Jiang
Agricultural reclamation has been the major threat to land use changes in the Sanjiang Plain, Northeast China, over the past decades. However, spatial and temporal dynamics of land use and landscape, especially in the recent years, are not well known. In...
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Xiliang Ni, Chunxiang Cao, Yuke Zhou, Lin Ding, Sungho Choi, Yuli Shi, Taejin Park, Xiao Fu, Hong Hu and Xuejun Wang
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Xiaxiang Li, Xuezhen Zhang and Lijuan Zhang
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Xuejia Sang, Linfu Xue, Jiwen Liu and Liang Zhan
Geological faults are highly developed in the eastern Liaoning Province in China, where Mesozoic granitic intrusions and Archean and Paleoproterozoic metamorphic rocks are widely distributed. Although the heat flow value in eastern Liaoning Province is g...
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