土壤体积含水量表征土壤水分的模型精度相对要低。
The model precision by the soil volumetric moisture content was relative lower.
当土壤体积含水量低于20%时土壤呼吸速率与之成正相关;若超过20%后土壤呼吸速率与之成显著负相关。
Respiration rate and soil moisture are positively correlated when soil volumetric water content under 20% and negatively correlated when its content above 20%.
时域反射仪测定土壤体积含水量的准确度取决于两个关键因素:土壤介电常数的测定准确度以及土壤含水量和介电常数之间的关系模型。
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.
时域反射仪测定土壤体积含水量的准确度取决于两个关键因素:土壤介电常数的测定准确度以及土壤含水量和介电常数之间的关系模型。
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.
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