ดิน หมายถึง วัตถุที่เกิดขึ้นตามธรรม

Means soil material that occurs naturally from the decay of the physical. And chemical properties of rocks and minerals. With organic matter. Caused by the dissolution of a fossil encrusted on the surface world.By climate, terrain objects origin. Living at creating a
soil.Material

Clay refers to objects that occur naturally from physical and chemical degradation of the rocks and minerals in combination with organic compounds that are caused by the disintegration of an upper surface encrusted all over the world. According to climate, topography, objects and creatures originated period of soil
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Land means an object that occurs on the nature of the physical and chemical breakdown of rocks and minerals as well as the organic that is caused by the breakdown of the ruins of the carcass of a plant on the floor skin wrapper worldThe climate and terrain objects organisms origin time to create the land of
Contents