Constant passage of machinery over the same area compacts the soil and limits the development of roots.
机械经常在相同地带内通过,会将土壤压紧并限制根系的发育。
2
According to the soil dielectric constant and its microwave emissivity, the soil microwave brightness temperature is deduced, and its mathematical model is given.
根据土壤介电常数及相应的微波发射率,推算出亮度温度值,并给出了数学模式。
3
The accuracy of soil water content measured by TDR depends on two key factors: soil dielectric constant and the calibration model of soil volumetric water content vs. dielectric constant.