The cause of soil pollution
problem on the ground. Split into two categories:
1. Such as natural areas with salt in the soil. Or areas of land with low density, etc., the soil is not suitable for plant growth,
natural phenomena such as storms, floods, causes the sand being swept possibility of sewage are living in the soil, the soil. Waste may be a pathogenic or cause damage to the well-being of the creatures
2. Human actions
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