Soil entisol is the brother of andosol soil but is generally the result of weathering of material released by volcanic eruptions such as sand, dust, lapilli, and lava.

The soil of grumusol is formed from the clogging of limestone rock and volcanic tuffa. Organic content in it is low because of limestone rock. So it can be concluded this land is less fertile and not suitable for planting crops.
Ground Grumusol has a dry and fragile soil texture especially during the dry season. The color of the ground grumusol itself is ¬ black. For Ph owned is neutral to alkalis.

Grumusol soil is usually located on a surface that is less than 300 meters from sea level and has a flat topography of the land until wavy. The temperature changes experienced in the ground grumusol are very real when it is raining and hot.

Soil entisol is the brother of andosol soil but is generally the result of weathering of material released by volcanic eruptions such as sand, dust, lapilli, and lava.
Characteristics of Entisol Soil Type
Entisol land also includes fertile soil and is a type of soil that is classified as young. Land entisol usually found not far from the area of the volcano can be a thin soil surface that does not have a layer of soil and a sandbar like that on the beach parangtritis Jogjakarta.