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首页> 外文期刊>Journal of Arboriculture >TerraventTM: soil fracture patterns and impact on bulk density.
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TerraventTM: soil fracture patterns and impact on bulk density.

机译：TerraventTM：土壤破裂模式及其对体积密度的影响。

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摘要

Soil compaction is reported to be a limiting factor in many urban tree plantings. The Terravent was developed to decompact and aerate soil through the soil injection of high-pressure nitrogen gas. The purpose of this project was to determine the soil fracture patterns created by the Terravent and to determine if soil bulk density is reduced. Replicates of six fractures were made at three sites. Bulk density and the degree of fracturing were measured. No significant differences in soil bulk densitywere found between treated and nontreated areas. Fracture patterns were generally horizontal to convex shaped with a mean width up to 22.2 in (56 cm), typically 9 in (23 cm) below the soil surface. Other means of alleviating soil compaction are thought to be more effective.
机译：据报道，土壤压实是许多城市植树的限制因素。 Terravent的开发目的是通过向土壤中注入高压氮气对土壤进行压实和充气。该项目的目的是确定Terravent造成的土壤破裂模式，并确定土壤容重是否降低。在三个位置复制了六个骨折。测量堆积密度和破裂程度。处理与未处理区域之间的土壤容重没有显着差异。断裂模式通常为水平至凸形，平均宽度最高达土壤表面以下2英寸（56厘米），通常为9英寸（23厘米）。其他减轻土壤压实的方法被认为更有效。

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