1.【农】下层土,心土,底土;【建】天然地基
1.翻起...的底土,深耕
1.the layer of soil under the top layer
1.Therefore, we concluded that the subsoiling should be adopted in Luoyang area.
因此，洛阳地区采用深松覆盖保护性耕作方式比较有利。
2.Application of mechanical subsoiling as an engineering technique to construct "soil reservoir" in Lanzhou
机械深松营造“土壤水库”工程技术在兰州地区的推广研究
3.The analysis of the macroscopical disturbing profile of soil after subsoiling
深松耕作土壤宏观扰动轮廓分析
4.Development and experimental research of combined subsoiling and rotary tilling set
深松旋耕组合作业机的研制与试验研究
5.Subsoiling effect and economic benefit under conservation tillage mode in Northern China
中国北方保护性耕作条件下深松效应与经济效益研究
6.A Primary Study on the Technical Effects of Subsoiling in Row Space at Corn Seedling Growth Stage
夏玉米行间机械化深松效果初探
7.Experimental Study on Vibrating Subsoiling
振动深松的试验研究
8.Ecological effect of subsoiling high stubble on the winter wheat in sloping land of western Henan
豫西旱坡地高留茬深松对冬小麦生态效应的研究
9.Review of Subsoiling Techniques and Their Applications
深松技术研究现状与展望
10.Advances in Researches of Soil Subsoiling Technique
土壤深松技术研究进展