The fish pond is controlled waters or water reservoir that is used to maintain a certain amount of fish to fish farming activities, recreational fishing, or decoration. Fish ponds for the purpose of cultivation is common to be in a convent, schools, palaces, and other communities are able to support the people in it as a subsystem.
The fish pond is recommended to be developed in poor and developing countries because it is able to provide food, sources of income, sources of irrigation water, and drinking water for livestock.
The state of the soil type is important to note because it will affect the size of the slope and embankment. Pisciculture pond greatly affected in the dike to hold back the water volume. The new pond water level can be maintained when the subgrade and embankment can withstand water and is not porous. Sandy clay or sandy clay loam enough usually have plasticity and is not porous.
Soil characteristics with high plasticity usually not easily disconnected when it formed compounds such as pencil, but easily broken when formed slab and massaged with a finger. Soil with high plasticity is also characterized by shrinking if not too dry and not too sticky when wet. Paddy soil has a low plasticity which is usually marked cracked when dry and sticky when wet.
Clay or loam slightly sandy clay is clay 35-55% yield is usually lively and malleable. To know that is by grasping the land. This land does not break easily when formed, and not attached to the hand if something is formed.
Sandy clay that factionalism rough with clay content is only about 30%. Soil type was originally very difficult indeed to hold water. However, over time with good tillage and continuously compounded by the sediment or soil-borne sediment of the river water will arise for water resistance. Swimming in mountain areas are usually classified this type, contains a lot of sand but decent enough made embankment.
Land containing sand (more than 70%) is mainly rocky not suitable for swimming because it is made can not withstand water and difficult to form. The soil type is thus still possible if the whole concreted or bricked.
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Tandai sebagai tidak sesuaiLast updated on Dec 21, 2016
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