The vetiver.Theory of preventing degradation and erosion of the soil by Vetiver.His majesty to realize the problems of soil erosionAnd the loss of soil fertility, therefore he study the potential of "grass".Which is the local plants growth. With special features to help prevent erosion.Of soil moisture conservation and underground, which is how to grow simple farmers can.Proceed without care after growing too much. Therefore, HRH Princess Maha Chakri Sirindhorn were experimental group and control group.On the characteristics of vetiver grass, vetiver grass has a common name in English.Vetiver Grass together 2 species is grass, don (Vetiveria nemoralis A.Camus) and grass (Vetiveria zizanioides Nash) is a plant with age.For many years the tight clump. The leaves are narrow pointed end edges parallel test 35-80 cm long.A wide 5-9 mm Vetiver has worked fast propagation by sprouting.Trunk from underground. On some occasions can branch and root out in parts of the peduncle.When bending down grass soil has grown a tussock faek Mai.
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