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Soil is a habitat or a place to live different kinds of living organisms or bodies in the ground. Based on the function, generally there are two classes of bodies live in the soil, which is beneficial organisms and harmful. Beneficial organisms are organisms involved in the process of degradation or decomposition of organic material, binding or provide nutrients and ...

1. The presence of phytoplankton ponds are basically indispensable. Phytoplankton are part of a community of microbes that play a role in arranging the desired culture conditions. Besides being able to utilize the remaining nutrients, the presence of phytoplankton also reduce the intensity of light, produce oxygen, stabilizing the temperature as well as contributing to the needs of nutrient for ...

Type MBV and SEMBV has detected widespread across the pond in Indonesia. The disease attacks the shrimp aged 1-2 months has been stocking. MBV attack is marked by changes in hepatopancreas which became yellowish because of damage. The case hit since 1998 with a death rate of more than 90% within 2 weeks after the symptoms of common assault. While ...

Having a good filter is ideal ornamental fish hobbyists. A good filter will promise a good performance so hopefully aquarium water quality issues can be dealt with perfectly. Aquarium filters are commonly known so far, in particular the biological filter, more made up for an aerobic environment for ease of application. The end result of this type of filter is ...

In the aquatic environment as a medium of live aquatic biota, frequent changes in water quality parameters such as the degree of acidity (pH – element content of H + or OH-), dissolved oxygen (O2), content of ammonia NH3, the acid content of sulfide (H2S), water temperature and others. Changes in water environment can affect aquatic life, especially for water ...

1. Based on the size Based on its size, the soil organisms or biological soil bodies were categorized into three groups, namely (1) Makrobia land, if the size above 10 mm, (2) Mesobia, if the size of 0,2- 10 mm, and (3) Microbes, if the size of <0.2 mm (200 mm). 2. Based on How to Acquire Energy Based on ...