His Majesty the King was successful from his experiment. He has been written a Handbook “Handbook of acid soil improvement for agriculture” . He distributed to farmer and interested person. Moreover His Majesty the King transfer this method to Ban Kok It, Tombon Pron, Amphoe Takbai, Naratiwat Province which soil is extream acid. Famers left their land for a long time. After His Majesty the King introduced this improvement process. Famers can cultivate rice and they gain production about40-50Tang/Rai(50-100%).

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