Soil types vary depending on the place. This relates with a weathered rock types in the area. Some types of soil can be described as follows.
Berhumus ground dark because many contain humus. Humus comes from the remains of plants that have died. Ground These contain many nutrients. Also can hold water. Ground berhumus very fertile when compared to other soil types.
Preparation of the soil is mostly sand. Sandy soil has easily passed the nature of water. In general, sandy soilsless fertile. Different if the slope of the volcano. Ground sandy on the slopes of the mountain there is volcanic ash. Volcanic ash from volcanoes contain nutrients.
The clay is very sticky and elastic when it hit the water. Clay hard permeable. Clay can serve to ceramic base material.
Calcareous soil contains a lot of rocks. Calcareous soil very easy to pass water. The content humusnya not so much. Calcareous soils are less fertile when planted
................................. Hope it is useful ....................................
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