2018

Cristiano Chaves de Farias, Nelson Rosenvald, F. Netto
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Abstract

the use of large, heavy equipment, which, in turn, can cause compaction not only of surface soil, but also of deeper subsurface soils. The problem is gradually becoming more acute and acquiring gigantic proportions. Regardless of the type of soil – black or sandy – imperfect agrotechnologies become the cause of over-compaction. of of significantly about 20–30%. re-compaction, the passage of heavy and the structure of the soil changes: the number of lumps larger than 10 mm increases by 15-20%. a change in structure occurs at a depth of 30-60 on the weight of the the multiplicity of passes along one track, the type and condition of the soil). In the number of particles less than mm that is, the soil is sprayed after the passage of of on is analysis of the main trends in the development of of the constructive of development of the advantages and disadvantages.
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2018
大型重型设备的使用,反过来,不仅会造成表层土壤的压实,而且会造成更深的地下土壤的压实。这个问题日益尖锐,规模越来越大。不管是哪种土壤——黑土还是沙土——不完善的农业技术都会成为过度压实的原因。大约20-30%。重压实,通道重,土壤结构发生变化:大于10 mm的块状增加15-20%。结构的变化发生在30-60层的深度,这取决于一条轨道上通道的多重性(土壤的类型和条件)的重量。在颗粒数小于mm即土壤经喷塑后通过的主要趋势上,分析了该建设性喷塑发展的优缺点。
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