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Characteristics of concrete dam  – Durable and virtually maintenance-free. Requires good geological conditions at the site of the dam.  – Implementation requires high accuracy. The properties of concrete  – Easy to work  – Concrete durable  – Meet the press the desired solid  – small seepage Power  – small concrete Penyusutsn  – Coefficient ...

Soil is composed of soil grains of various sizes. Part grain land measuring more than 2 mm is called coarse material soil such as gravel, coral to rock when analyzed eliminated terelebih advance, as well as the organic material in the soil, so all that remains is fractions of land measuring less than 2 mm , Part ground grain size ...

Mucuna sp or plant Koro surly (Java) can be used as a plant that can produce high-protein seeds and could play a special function of the land rehabilitation. Mucuna seeds can be made tempeh or after boiling for 24 hours will be also mixed with cassava to improve the nutrition of cassava. Some of the advantages of rehabilitation Iahan sleep ...

With the condition of the land / topography sloping and hilly, allowing erosion / washout soil is above all lands under it when the rainy season arrives. This has been recognized by society, they dilahan terracing to prevent soil runoff water. Creating terracing / talud is done individually or in mutual cooperation. In four hamlets in the village Girisekar Arupa ...

Mounds of earth mounds are made elongated in the direction of the contour lines or cut slope (Sitanala Arsyad 1989). Ridges are usually made by the farmers with the soil stack height between 20-50 cm and width of the base between 30-60 cm. In the area around the point Buncir or Cinagara farmers-mounds mounds planted with corn, beans and cassava. ...

Various soil and water conservation techniques on mechanical methods mentioned above serve to: slow the flow of surface water, accommodate and channel the flow of surface water so as not to damage, repair and rebuild the water infiltration and soil aeration and provides water for the plants. The definition of tillage is any manipulation / engineering of the ground to ...