求翻译：森林土壤是水分贮存的主要场所,林地持水是反映森林保持水分和涵养水源能力的重要特征之一。从土壤的持水能力来看,毛管孔隙度的水分可以长时间保持在土壤中,主要用于植物根系吸收和土壤蒸发。是什么意思？

Forest soil water storage is the main place, woodland water reflects the ability to maintain moisture and water conservation forest in one of the important features. Judging from the soil water-holding capacity, capillary porosity and water can remain in soil for a long time, mainly for uptake by plant roots and soil evaporation.