A Current status of residue-handling techniques for no/strip-till seeder

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:wjsj123
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
  The development of sustainable agriculture promotes the adoption of conservation agriculture(CA)in the world.No/strip-till seeding is the key technique for the application of CA.Globally,there are lots of agro-machinery enterprises manufacturing no/strip-till seeders,and only in China the number of these enterprises is about 200.
其他文献
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 degraded matter.Both farmers and soil exper
Crop residue removal for livestock feeding and biofuel production at large scales must be evaluated to assess impacts on soil productivity and properties.Among all the potential negative impacts,wind
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 developing soil-root interfaces for water and
Characterizing agricultural soil properties is a key step in understanding the source of spatial variability in crop productivity across the field is essential component for Variable Rate Application(
Soil compaction due to agricultural vehicular traffic is a major threat to soil productivity,soil functions and crop growth,caused by compaction-induced changes of the size distribution,connectivity a
Co-transport of chemicals by colloids in soil is an important process for environmental protection.In this study,the sorption and mobility of chlordecone(CLD,C10Cl10O)and sulfadiazine(SDZ,4-amino-N-py
No-till is practiced for various environmental and economic reasons,but the absence of soil loosening by tillage affects soil structure and associated soil functions such as gas transport and crop gro
Methane(CH4)is the second important greenhouse gas and has been responsible for approximately 20%of Earths warming.Aerobic soils in upland ecosystems act as only the terrestrial CH4 biological sink,of
Paddy soil is subject to alternative flooding and drying conditions,inducing cyclic reduction and oxidization of soil component such as iron and manganese.Although the change in forms of such componen
To maximize crop productivity fertilizer P is generally applied to arable soils,a significant proportion of which becomes stabilized by mineral components and in part subsequently becomes unavailable