土壤硬度 meaning in Chinese

soil hardness

The hardness and density of high yielding soils were lower than those of the control plot soils
高产稻田土壤硬度和容重比对照田块的低。
With increase of soil hardn ess , digging duration in incisors significantly increased , but dried soil mass d ug out by the zokors in each bout reduced
随着土壤硬度的增加，高原鼢鼠挖掘的时间及每次挖掘时持续的时间明显增加，而每次的掘土量显著减少。
Abstract : burrowing behaviors of the plateau zoko rs ( myospalax bailely ) in rel ation to soil hardness were investigated by using radio - telemetry at haibei alp i ne meadow ecosystem research station , qinghai , china
文摘:采用无线电遥测法在中国科学院海北高寒草甸生态系统定位站对高原鼢鼠的挖掘行为及其与土壤硬度的关系进行了研究。