• Prevention of Soil Degradation and Erosion Through the Use of Vetiver Grass: A Living Barrier Conserving and Returning Nature to the Land
Its use in prevention soil erosion is more economical than other methods. His Majesty therefore expressed the idea that studies and experiments should be conducted on vetiver grass
• Salt Roads
“...consider the solution to the problem of iodine deficiency by examining the problem of the need for salt in each locale. The problem and the need of salt in these places differ...."
• “Aggrevating the Soil" A Royal Theory
His Majesty the King observed that after the swamp lands had been drained to expand agriculturally productive areas and to reduce flooding problem, the soil had grown strongly acidic and that crops planted by the farmers had failed