Will the existence of channels affect the amount of soil movement by tillage?---A laboratory experim

来源 :第20届国际土壤与耕作研究组织大会 | 被引量 : 0次 | 上传用户：binwuwu

【摘要】

：

　　Tillage and water erosion both play important roles in total soil erosion occurring in cultivated fields.Water erosion induced channels are often observed o

【作者】

：

JifengDeng[1]DavidALobb[2]ShengLi[3]

【机构】

：

School of Soil and Water Conservation Beijing Forestry University China

【出处】

：

第20届国际土壤与耕作研究组织大会

【发表日期】

：

2015年期

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

　　Tillage and water erosion both play important roles in total soil erosion occurring in cultivated fields.Water erosion induced channels are often observed on sloping farmlands and these channels are mostly smoothed by tillage operations,a form of tillage erosion that is largely ignored.

其他文献

Vacuum-utilized Thin-film Processing Technologies for Smart Society

　　"Smart society" realized by IoT(Internet of Things),IoE(internet of Everything)requires integration of advanced MEMS/sensor technology and LSI-based ICT(Inf

会议

大型方箱型真空容器有限元分析

　　为了满足航天器系统级密封性能测试需求,设计了一套采用真空质谱方法进行航天器总漏率测试的真空检漏系统,其中真空检漏容器是检漏系统的主体部分.为了提高检漏容器的空

会议

有限元分析真空容器检漏航天器

应用于化工与制药行业的干式真空技术

　　在化工与制药领域中，使用干式真空泵的最大挑战来自进泵介质。这些介质大部分为非空气未凝汽体，在真空泵内可能发生冷凝与结晶、腐蚀与流蚀、燃烧与爆炸、交联与聚合、碳化

会议

干式真空系统真空蒸馏真空干燥

真空检测技术新进展

　　高真空、超高真空的获得和维持在科研生产中得到广泛应用，尤其在微型真空MEMS 器件生产制造中，真空获得及维持是决定产品质量的重要因素。对于一个真空腔体，其真空度的获得

会议

真空检测真空腔体真空泵超高真空泵性能测试最新进展重要因素真空获得

Advantageous Optimization of the VOD Process with Mechanical Vacuum Pumps

INTRODUCTION High costs for vacuum generation and maintenance are overcome by replacing steam ejector pumps with mechanical vacuum pumps,initially for the VD pr

会议

MechanicalVacuumVODVDRHOxygen blowDegassing

Development of a novel mechanical bearing turbomolecular pump for research,analytical,and coating ap

　　The requirements for turbomolecular pumps in research,analytics,and coating tend towards higher performance,lower cost of owenership,and user friendly integ

会议

Vacuum Generation for Steel Degassing

　　With increasing demands for steel as construction material,vacuum steel degassing as part of secondary metallurgy has become a crucial process in modern ste

会议

Secondary MetallurgySteel DegassingVacuumMechanical Vacuum Pumps

真空计量与我国航天工程

　　兰州空间技术物理研究所近年来为了满足航天型号工程对真空计量的急需，不失时机地开展了真空测量与校准技术研究，突破了多项关键计量测试技术，首次提出采用非蒸散型吸气剂延

会议

硬涂层阻尼减振技术研究进展

　　从上世纪末至今，伴随着航空航天技术的不断进步，航空发动机逐渐向高温、高压、高转速的方向发展，其工作条件越来越严酷的同时，振动问题也越来越突出。特别是航空发动机中关键

会议

硬涂层阻尼减振技术航空发动机振动问题结构件航空航天技术压气机叶片

High quality functional coatings on polymer films for flexible devices

　　The development of flexible substrates that are based on polymer films is of critical importance to display and photovoltaic applications.Flexible substrate

会议

Will the existence of channels affect the amount of soil movement by tillage?---A laboratory experim

其他学术论文