导水率
简单(哲学)
频谱分析仪
环境科学
蒸发
财产(哲学)
土壤科学
水文学(农业)
生物系统
土壤水分
计算机科学
岩土工程
地质学
生物
物理
气象学
电信
哲学
认识论
作者
Alessia J Marchesan,Kris G. Guenette,Lewis Fausak,Guillermo Hernandez‐Ramirez
摘要
The measurement of soil hydraulic properties is critical in understanding the physical components of soil health as well as integrated knowledge of soil systems under various management practices. Collecting reliable data is imperative for informing decisions that affect agriculture and the environment. The simple evaporation experiment described here uses instrumentation in a laboratory setting to analyze soil samples collected in the field. The soil water tension of the sample is measured by the instrument, and tension data is modeled by software to return soil hydraulic properties. This method can be utilized to measure soil water retention and hydraulic conductivity and give insight into differences in treatments or environmental dynamics over time. Initial establishment requires a user, but data acquisition is automated with the instrument. Soil hydraulic properties are not easily measured with traditional experiments, and this protocol offers a simple and optimal alternative. Interpretation of results and options for extending the data range are discussed.
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