Prevention of the decline and collapse of soil.Oh oh king. He realized the problem of soil erosion and 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 the soil moisture and soil conservation under the how to grow a simple 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 Vetiver.
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