Planting in rows transverse level slope in order to slow down the speed of the water and the sediment trap soil. Water will ooze into the soil, the ground floor has a greater moisture in the soil. Vetiver root section are rooted in soil may be up to 3 meters, which can be anchored to the soil to prevent soil erosion, conserve moisture is also. Prevent the loss of soil, read or get a ladder of water around him. Prevent soil sediment into the canal water mess Restoration of land degradation and contamination of the toxic substances in the water source.
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