Soil Biological Function

Biological soil serves as a habitat for organisms that participate actively in the provision of nutrient and growth boosters substances (additives) for plants, which are integrated capable of sustaining the productivity of the land to produce biomass and production of food crops, medicines, industrial estates, forestry and so on other. As a growing medium, the soil has four main functions, ...

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Understanding Soil

There are a lot of meaning or definition of the land developed in the communities are very diverse definitions must be adjusted to just the interests of each. But the definition of the public about the land is as follows, namely land is accumulated body of the outdoors, a three-dimensional, occupied most (large) surface of the earth, which was able ...

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Brightness and Water Depth

One way to measure water transparency is done by using pieces Secchi (Secchi disk), which is a round pieces with a diameter of 20 cm made of zinc and painted white or black-white weighted. The tool is lowered into the water until it looks, its depth was measured, then lowered deeper. Furthermore, the chip is removed and when the puck ...

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Determination of Soil Texture With Feelings

Determination of the texture in the field is done by 1) the period of dry or moist soil is wetted, then dipirid between the thumb and forefinger so memebntuk ribbon moist, as he felt a sense of rough, slippery and sticky; 2) the land made the ball, rolled up and observed their resistance to compression and adhesion Masaa ground when ...

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Suspended Solids and Total Dissolved

Total suspended solids or Total Suspended Solid (TSS) is suspended materials and dissolved in water, these materials filtered on Millipore filter paper with a pore size of 0.45 lm. While total dissolved solids are dissolved materials that are not filtered by Millipore filter paper with a pore size of 0.45 lm. TSS measurement is done by gravimetric consisting of screening ...

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Determination of Levels Alkalinity

Alkalinity is a total concentration of alkaline elements contained in water and commonly expressed in mg / liter or the equivalent of calcium carbonate (CaCO3). It is said that the alkalinity in freshwater very important role because alkalinity is not only a direct effect on the growth of plankton, but also affects other parameters. Alkalinity is the capacity of water ...

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