The characteristics of grassVetiver grass family type, as well as a monocotyledon corn, sorghum, sugar cane, which showed scattered areas naturally. From the survey showed that are scattered around the world about 12 kinds and survey in two types:1. A group of vetiver grass group include varieties of Surat Thani, kamphaeng PHET. 2, Sri Lanka, Songkhla. 3 and royal, etc.2. A group of vetiver grass don include varieties, Ratchaburi, Prachuap Khiri Khan et, kamphaeng PHET. 1, Nakhon Sawan, and etc.Vetiver is a grass that grows clump shoots up together tightly, the leaves of grass, the long, narrow edges parallel ปลายสอ around acute abdomen leaves have faded over the rear blades. The root system is woven tightly rootlets long, deep in the soil of the inflorescence set consists of flowers, เล็กด out half of infertility.Effect of vetiver.The grass was used to grow in soil and water conservation. Due to several features as follows.There are sprouting include a clump. Bunch up. Don"t spread the side.2. The sprouting and a new one, don"t care very much.3. The grass is the frequency, propagated by stem shoots throughout the year.4. Don"t usually propagated by seed. To control the spread of.5. Have long blades cut and break new simple, strong and resistant to degradation.6. The root system long weave together tightly, and help to absorb water.7. The root is a live microbial8. Adapt to the various well resistant to plant diseases in general.9. The thrive under soil surface. Help to survive well in the images.
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