Conservation Agriculture:Research Status,Opportunities and Challenges in Dryland Areas of Pakistan

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:shiguzxy
下载到本地 , 更方便阅读
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
  Soil degradation,desertification,climate change and increasing cost of inputs are big challenges for crop production in dryland areas of Pakistan.Mismanagement of natural resources through clean cultivation,intensive tillage,deforestation and overgrazing are also worsening the situation.
其他文献
  Co-transport of chemicals by colloids in soil is an important process for environmental protection.In this study,the sorption and mobility of chlordecone(CL
会议
  Characterizing agricultural soil properties is a key step in understanding the source of spatial variability in crop productivity across the field is essent
会议
  Soil compaction due to agricultural vehicular traffic is a major threat to soil productivity,soil functions and crop growth,caused by compaction-induced cha
会议
  Widespread application of silver nanoparticles(AgNPs)may result in agricultural soil contamination due to the fact that the main portion of AgNPs released i
会议
  Biopores are an important factor for nutrient cycling in soils.They provide biologically highly active zones in the soil and can be re-colonized by roots de
会议
  The persistence of organic matter in soils and its sequestration is partly ascribed to the physical protection of organic matter from the decomposing action
会议
  Soil structure degradation is a key environmental and agricultural issue.It is commonly observed in the field,e.g.as wheel tracks,compacted layers or poorly
会议
  Crop residue removal for livestock feeding and biofuel production at large scales must be evaluated to assess impacts on soil productivity and properties.Am
会议
  Soil structure regulates the majority of the chemical,physical and biological properties and processes of soil.Hence,in a strict sense,soil quality is essen
会议
  Soil and water loss is a serious worldwide environmental problem.Especially,soil loss from the sloping cultivated lands.Various soil protection techniques w
会议