There exists a multi linearship between the stem sap flow velocity and the soilmoisture, soilwater potential.
油松树干液流速率与土壤容积含水量和土壤水势呈明显线性相关关系。
2
Locust eggs depend on soilmoisture for their development, and both low and high rainfall can benefit them, as receding water levels and formerly flooded areas provide moist soil.