Abstract

AbstractHydraulic lift is the process by which some deep-rooting plants take in water from deep soil layers and exude that water into the upper, drier soil layers through the root system. It is favorable for plants that transport the water and may be an important water source for neighboring plants. Hydraulic lift increases the stability of plantation communities and improves the growth of plants on semiarid sandy soil. The objectives of this study were to examine the hydraulic lift ability of sandy plants and define the characteristic of this process in the Horqin Sandy Land. Growth boxes were used to cultivate examined plants, isolating the upper and the lower layers with Vaseline petroleum jelly. The soil water supply of topsoil in growth boxes was controlled during the examination period, and the hydraulic lift was confirmed by measuring the variations in soil water content in the topsoil in the growth boxes. Hydraulic lift was investigated in 21 native, deep-rooting plants in the Horqin Sandy Land. T...

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