柽柳又名三春柳、红荆条、红柳，群众误称乌柳，落叶灌木或小乔木，高２—５米，在辽宁、河北、河南、山西、陕西等地常见。 柽柳具有以下作用和经济价值： 一、保持水土。柽柳为直根系，主根延伸极深，但根幅不大，不与农作物争夺浅层土壤水分，有加固梯田埂、防护农田的作用 Tamarisk also known as three spring willow, red vitex, red willow, the masses mistakenly known as willow, deciduous shrubs or small trees, 2-5 meters high, common in Liaoning, Hebei, Henan, Shanxi, Shaanxi and other places. Tamarisk has the following effects and economic value: First, to maintain soil and water. Tamarisk is a straight root system, the main root extends very deep, but the root is not large, not competing with crops for shallow soil moisture, there are reinforced terraced fields, the role of farmland protection