The recreational activity caused the thickness of litter and humus layer soil water content and the soil pH decreased,and soil hardness increased.
游憩冲击造成4个主要子景区的土壤枯枝落叶层厚度和腐殖质层厚度减少、土壤含水率减少、土壤硬度增加、土壤pH值增加。
参考来源 - 森林游憩对泰山风景名胜区土壤和植被的冲击及游憩环境承载力研究·2,447,543篇论文数据，部分数据来源于NoteExpress
高产稻田土壤硬度和容重比对照田块的低。
The hardness and density of high yielding soils were lower than those of the control plot soils.
刀板铲土角可根据土壤硬度的不同，调节刀板入土角度。
The knife board shovel cape may act according to the soil degree of hardness the difference, adjusts the knife board to be buried the Angle.
覆盖作物可改善土壤持水能力，但是对土壤硬度的影响与土壤含水率有关。
Cover crops can improve the water holding ability of soil; however, its effect on soil hardness depends on the moisture content of soil.
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