Theory of preventing degradation and erosion of the soil by Vetiver grass plants from Royal: wall with life in conservation and return to natural land.His majesty to realize the problems of soil erosion and loss of face of fertile soil, therefore he study potential. "Grass", which is the local plants growth. With special features to help prevent erosion of the soil moisture and soil conservation under the how to grow a simple. Other farmers can proceed without care after growing too much. The cost savings than other methods. Therefore, HRH Princess Maha Chakri Sirindhorn to proceed study and experiment on characteristics of vetiver grass Vetiver has a common name in English that Vetiver Grass together 2 species is grass, don (Vetiveria nemoralis A.Camus) and grass (Vetiveria zizanioides Nash) is a plant which was for many years a tight clump. Leaves are a narrow end edges parallel test acute. 35-80 cm long has 5-9 mm wide. Vetiver has worked fast propagation by sprouting from underground stem. On some occasions can branch and root out in parts of the peduncle. When bending down grass soil has grown a tussock faek Mai.Utilization of vetiver grass for soil and water conservation.1. Planted in rows according to the level of transverse slope to slow down the speed of the water and sediment traps The water will seep into the soil more increase.Moisture in the soil, the vetiver grass root is deep into the soil may reach 3 meters. Which can hold the soil to prevent erosion.2. Planting in order to solve the problem of soil erosion is a deep ditch3. Planted in areas with slopes. The northern and Southern Planting grass is a fence around the cool cars like him. The soil or by outside. It should be planted in rows along the transverse slope at the beginning of the rainy season.4. Planting for conservation of moisture in the soil. By planting a row parallel to the rows of fruit trees and grass planting fruit trees and growing circle semicircle หงายรับ rainwater.5. Planting to prevent the damage of the soil or cool cars.
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