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Soil as a habitat for microorganisms to function as a natural medium for growth and doing all the activities physiology. Soil provides nutrients, water and carbon source necessary for the growth and activity of microorganisms. In this respect, the soil environment as abiotic factors (which include physical and chemical properties of the soil) and biotic (presence of other microbes and ...

The fish is said to be ill when an abnormality both anatomically and physiologically. Anatomically occur deformity of body parts of fish as part of the body, head, tail, fins and belly. In physiological abnormalities in organ function of vision, breathing, digestion, blood circulation and others. Disease by spreading classified as follows; 1) Endemic disease outbreaks ie fish / shrimp ...

A. HPV virus disease (Hepatopancreatic parvovirus) and MBV (Monodon Baculovirus) In the year 1988-1990 is a disease highly lethal to tiger prawn shrimp that can cause slow growth. Organs are attacked is hepatopancreas. On a serious attack, hepatopancreas will look pale, shrunken and compact. B. Viral disease YHD (Yellow Head Disease) Symptoms of this disease include: a) The head is ...

Waterwheel installed in accordance with the needs of at least the first month of maintenance. In the second month of maintenance, total mill must have been installed in accordance with the production target based on data from the last SR. A pond does not require a windmill until shrimp biomass production reached 500 kg / ha with normal growth. Windmills ...

The role of microorganisms in soil fertility indicated by its activities in improving, (1) the structure of the soil and (2) the availability of plant nutrients. In connection with the formation of crumb structure, microorganisms play a role as a builder of soil aggregates steady. In the process of the formation of the land required agragasi their inorganic adhesive materials ...

Fish and shrimp can live a normal life if the environment has water quality that is suitable for life. Water quality parameters that do not fit can be fatal to aquatic life in general. Water quality parameters were very influential in the life of fish and shrimp, among others are: a. Temperature Temperature greatly affects the metabolic processes of fish. ...