How to adjust the soil sour for agricultureIrrigation district -Soil pH value is less than the rate of 1.5 tons of cement to use 4.0/Rai. -PH value of soil between 4.0-4.5 use at a rate of 1 ton/Rai. Agricultural zone of rain water. -Soil pH is less than 4.0 using mortar at a rate of 2.5 tons/acres. -PH value of soil between 4.0-4.5 1.5 tons/acres rate using cement. Acidic soil improvement procedure. After the cement screeds, do Nam, plough and frozen processed in about 10 days and then Nadia drained to wash toxins and water detention to await black embroidery.
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