2.7. Soil acidity
.The soil acidity that can be verified. Usually used to tell the pH value pH with called or wrote a popular symbol of English pH range of the pH of the soil is generally the value is between about 3.0-9.0 value. PH 7.0 indicates the state of the neutrality of the soil, the soil has the acid and it is ด่างอยู่ consumption rate. The lower 7.0 such as 6.0 tell the acidity of soil. In this case, when the soil is pH 6.0 will know that the weakly acidic soil. Acidic conditions than the soil with pH 7.0 (neutral) ten times the value of the lower pH soil acidity is increasingly intense, how much. The soil with pH 5.0 is more than pH 6 acid.0 ten times as much as 100 and soil with pH 7.0 each value of different pH unit will tell a different acids. Ten times. Soil with higher pH 7.0 will tell the alkalinity of the soil was higher than 7.How 0 alkalinity is higher only
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