Tag: basics of soil pollution

Soil porosity is percentage and type of soil pores or interstices. It is of two types - microspores and macrospores. Macrospores are  non capillary pores of more than 20 micrometer diameter. Gravitational water flows through macropores greater than 50 micrometer. Macropores hold air. In good soils,their number is 20 percent. Micropores are capillary pores with diameter of less than 20 micrometer. They hold capillary water. Good soil contain 30 percent microspores. Solubility and availability of plant nutrients depends on porosity because if the pore size is more water will wash away all the nutrients to water table as gravitational water and if porosity is less there will not be any air, respiration of roots and hence, absorption of nutrients will suffer.

Field capacity is the capacity of field. The amount of water retained by a unit weight of undisturbed soil after complete drainage under controlled conditions is called as field capacity.
Water held up in capillary space between soil particles is called as capillary water.
Gravitational water is the water that seeps down the surface of earth and makes up the water table.
Storage water is normally not used to describe soil water.

Venaparthy is a small village which is situated in the state of Andhra Pradesh. The village is known for being an area which is free from the problems due to groundwater pollution and water crisis. There are percolation tanks which are set up in the village and the nearby locales. These percolation tanks help in the collection of water in the earthen dams and recharge the groundwater in these regions. 

Soil salinity is the presence of excess salts especially those of sodium, potassium and magnesium. 

There are different systems constructed to increase the amount of water which is present in the groundwater reserves. The percolation tanks are constructed in the land which is highly permeable. The water which gets collected in the tank is then percolated in the ground. This system helps to recharge the groundwater system. These are one of the methods which are used for the conservation of the water resources.

The percolation tanks are constructed on the land which is highly permeable. The constructs may be performed using earthen materials which will allow the water to pass through it. This type of tank is also called as the earthen percolation tank. The water which gets collected in the tank is then percolated in the ground. This system helps to recharge the groundwater system. 

There are different systems constructed to increase the amount of water which is present in the groundwater reserves. The percolation tanks are constructed in the land which is highly permeable. The water which gets collected in the tank is then percolated in the ground. This system helps to recharge the groundwater system. 

Venaparthy is a small villages situated in the state of Andhra Pradesh. The village is known for being free from the problems due to groundwater pollution and water crisis. There are percolation tanks which are set up in the village and the nearby locales. These percolation tanks help in the collection of water in the earthen dams and recharge the groundwater in these regions. 

Percolation tanks are the most prevalent structures as it is a measure to recharge the groundwater reservoir both in alluvial as well as hard rock formations.The size of percolation tank should be governed by percolation capacity of strata in the tank bed. Normally, the capacity of percolation tank is 7.87 mm/day.

The percolation tanks are constructed on the land which is highly permeable. The water which gets collected in the tank is then percolated in the ground. This system helps to recharge the groundwater system. The water can be used by constructing borewells for domestic purpose. Canals can be constructed which can be used for the purpose of irrigation and cultivation of crops.