Human activities that cause toxic soils can be divided into two groups, agriculture andThe industry.- toxic soils in the agricultural sector. Due to the fertilizer into the soil in order to yield in agriculture more and more. Which will cause precipitation of toxic accumulation of toxins. Changes of soil condition soil acidification. Or make the physical properties of the soil deteriorate. Microbial activities are more and more. As well as caused by the use of pesticides that are both organic and inorganic, will cause the พิษที่ destroy soil organisms or bacteria in the soil. As well as having negative to the plants that grow in the area. But the durability of the soil. The half-life (Half life period) of pesticides, half-life means that numbers in about you know. As time passes, the half of my life. The concentration of that will be reduced to half of the amount of reactants.
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