PURPLE

作品数:279被引量:462H指数:11
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相关领域:农业科学文化科学更多>>
相关作者:陈钰黎清群靳爱心程丽霞陈国华更多>>
相关机构:中国科学院中国农业大学河南工程学院湖南第一师范学院更多>>
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Effects of phosphorus fertilizer application rate on transformation processes of phosphorus fractions in the purple alluvial soil of a riparian zone被引量:1
《Journal of Mountain Science》2023年第6期1561-1574,共14页HE Li-ping JIA Kai-tao LIU Dan WANG Ke-hong DUAN Lin-Yan LIN Jun-jie 
supported by the Program of Chongqing Science and Technology Commission(cstc2020jcyj-msxmX0095);the Chongqing Municipal Key Laboratory of Institutions of Higher Education(WEPKL2018ZD-05);the Science and Technology Research Program of Chongqing Municipal Education Commission(KJZDK202001203,KJZDK202003501);the Innovative Research Group of Universities in Chongqing(CXQTP19037);the Sustainable Development Research Centre of Three Gorges Reservoir Area(18sxxyjd11)。
Effects of phosphorus(P)fertilizer application rate on soil transformation processes of P fraction are still unclear in the riparian zone.Purple alluvial soils in the riparian zone of the Three Gorges Reservoir were c...
关键词:Hedley fractionation Phosphorus fraction Hydrological environments Three Gorges Reservoir Application rate Riparian zone 
Estimating purple-soil moisture content using Vis-NIR spectroscopy被引量:6
《Journal of Mountain Science》2020年第9期2214-2223,共10页GOU Yu WEI Jie LI Jin-lin HAN Chen TU Qing-yan LIU Chun-hong 
funded by Chongqing Talent Program(CQYC201905009);Chongqing Education Commission(KJZD-K201800502,KJQN201800531);Science Fund for Distinguished Young Scholars of Chongqing(cstc2019jcyjjq X0025)。
Soil moisture is essential for plant growth in terrestrial ecosystems.This study investigated the visible-near infrared(Vis-NIR)spectra of three subgroups of purple soils(calcareous,neutral,and acidic)from western Cho...
关键词:Purple soil Soil moisture Vis-NIR spectroscopy Stepwise multiple linear regression Partial least squares regression 
Simulation of the landform change process on a purple soil slope due to tillage erosion and water erosion using UAV technology被引量:2
《Journal of Mountain Science》2020年第6期1333-1344,共12页YANG Chao SU Zheng-an FAN Jian-rong FANG Hai-dong SHI Liang-tao ZHANG Jian-hui HE Zhou-yao ZHOU Tao WANG Xiao-yi 
supported by the National Key Research and Development Program of China(2017YFC0505102);the National Natural Science Foundation of China(No.41401313);the Major Science and Technology Program for Water Pollution Control and Treatment(2017ZX07101001);the Applied Basic Research Program of Sichuan(2018JY0034);the Major Science and Technology Projects in Sichuan Province(2018SZDZX0034)。
Both tillage erosion and water erosion are severe erosional forms that occur widely on sloping agricultural land.However,previous studies have rarely considered the process of landform change due to continuous simulat...
关键词:Landform change Tillage erosion Water erosion Close range photogrammetry Erosion pins Runoff plot 
Mechanisms of root-soil reinforcement in bioembankments of sloping farmland in the purple hilly area,China被引量:4
《Journal of Mountain Science》2019年第10期2285-2298,共14页JIN Hui-fang SHI Dong-mei ZENG Xiao-ying WANG San-shu DUAN Teng LOU Yi-bao 
funded by the Natural Science Foundation of China (Grants No. 41771310);the Public welfare industry (agriculture) special research project (Grants No. 201503119-01-01).
Bio-embankment is an important soil and water conservation measure in the purple hilly area in China,which can effectively improve the ability of cultivated soil layers to resist rainfall erosion and runoff scour.In c...
关键词:Bio-embankments ROOT distribution Tensile properties Shear strength Earth BANK COLLAPSE PURPLE HILLY area 
Technical efficiency and its determinants of the various cropping systems in the purple-soiled,hilly region of southwestern China被引量:2
《Journal of Mountain Science》2016年第12期2205-2223,共19页ZHANG Shi-chao WEI Chao-fu SHAO Jing-an WU Zhao-juan 
the support of the National Natural Science Foundation of China (Grant No.41501104);the National Key Technology R&D Program of China (Grant Nos.2013BAJ11B02,2013BAJ11B02-03);the Basic and Frontier Research Project of Chongqing Science &Technology Commission (Grant No.cstc2015jcyj A80025);the Science and technology research project of Chongqing Education Committee (Grant No.KJ1500336)
This study examines the technical efficiency(TE) differences among typical cropping systems of smallholder farmers in the purple-soiled hilly region of southwestern China.Household-,plot-,and crop-level data and commu...
关键词:Cropping systems Technical efficiency Land management Plot Purple-soil Stochastic Frontier Production Function 
Shear strength features of soils developed from purple clay rock and containing less than two-millimeter rock fragments被引量:1
《Journal of Mountain Science》2016年第8期1464-1480,共17页ZHONG Shou-qin ZHONG Mang WEI Chao-fu ZHANG Wei-hua HU Fei-nan 
supported by the National Key Technology Research and Development Program of the Ministry of Science and Technology of China (Grant No. 2012BAD05B06)
Soil shear strength is an important indicator of engineering design and an essential parameter of soil precision tillage and agricultural machinery and equipment design. Although numerous studies have investigated the...
关键词:Shear strength Purple soils Rockfragments Particle size distribution (PSD) Soil watercontent Triaxial test 
Farmer's Adaptive Strategies on Land Competition between Societal Outcomes and Agroecosystem Conservation in the Purple-soiled Hilly Region,Southwestern China被引量:3
《Journal of Mountain Science》2012年第1期77-86,共10页TANG Qiang BAO Yuhai HE Xiubin ZHU Bo ZHANG Xinbao 
funded by Ministry of Science and Technology of China (Grant No.2011BAD31B03);Chinese Academy of Sciences(Grant No. KZCX2-XB3-09);Ministry of Environmental Protection of China (Grant No.2009ZX07014-002-06)
The worldwide extension and intensification of farming during the last century has led to ecosystem degradation and caused a series of environmental problems.Conservation of ecosystem services in agricultural regions ...
关键词:Mosaic agroforestry system Adaptive strategies Land competition Agroecosystem conservation Purple-soiled hilly region China 
Laboratory Investigation of Disintegration Characteristics of Purple Mudstone under Different Hydrothermal Conditions被引量:18
《Journal of Mountain Science》2012年第1期127-136,共10页ZHANG Dan CHEN Anqiang LIU Gangcai 
supported by National Natural Science Foundation of China (Grant No.40971168);National Basic Research Program of China (973 Program) (Grant No. 2007CB407206)
Disintegration of rock is one of the primary processes of soil formation and geomorphology and is affected considerably by water and heat.This study focused on the disintegration characteristics under laboratory condi...
关键词:Physical weathering Mudstone Rock disintegration Hydrothermal interaction Water alternation Heat alternation 
Zonal Distribution of the Erosion-Landslide and Soil Micromorphological Features in Purple Hilly Region被引量:6
《Journal of Mountain Science》2005年第1期42-49,共8页HEYurong LIAOChaolin XUPei ZHANGBaohua 
supported by the Knowledge Innovation Project of the Chinese Academy of Sciences(KZCX3-SW-330);the State Natural Science Foundation for Outstanding Personnel of China(40025103)
In the purple hilly region, erosions and landslides are all serious, and it is of great scientific value and practical significance to study their formation mechanism and distribution features there. In this paper, so...
关键词:Purple hilly region erosion-landslide zonal distribution soil micromorphology 
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