土钻(auger boring)用途：在土壤采样过程中，会遇到不同土壤质地，比如：粘土、壤土、沙土和泥炭土。为了达到更好的采样效果，应该根据不同土壤质地，选择合适的钻头。
采用土钻法和盆栽试验研究了渭北地区主要造林树种的垂直根系分布特征及其抗旱性。
Methods of soil auger and pot experiment were used to research vertical root distributions and drought resistance of main planting tree species in the Weibei loess plateau.
采用大口径土钻对间作种植模式下冬小麦与春玉米根系进行取样，分析了两种作物根系的空间分布及动态变化规律。
In this paper, root samples of winter wheat and spring maize under intercropping were taken with large-bore soil auger, and the dynamics of their spatiotemporal distribution were studied.
蚯蚓钻土很深。
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