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Soil structure is very influential in the field of agriculture. Soil as a growing medium for plants be decisive how the harvest will be obtained. If the structure is too stable it would be hard to penetrate the roots, otherwise if the stability of the structure is too weak then the availability of nutrients and water will be slightly because ...

Goals and objectives should be linked to watershed characteristics such as social, cultural, economic, physical, and biological to be managed. However, the targets will be achieved in general is to enhance or improve the state of the watershed so that the level of productivity in these places remains high and at the same time, the negative impact caused by the ...

Ticks needle, or lice anchor a large fish parasite that often infects the fish. Fleas are generally more common in fish reared in ponds than in the aquarium. Known for his performances as fleas needle tends to resemble a needle stuck in the body of the fish attacked. While referred to as anchor ticks, because this animal stuck his head ...

Vibrio sp. are bacteria that are gram-negative, rod-shaped single-celled short crooked (comma) or straight, a length (1.4 to 5.0) μm and width (0.3 to 1.3) μm, motile, and have flagella polar. According pitogo et al., (1990), Vibrio species characteristic glow. Vibrio biochemical properties are oxidase positive, fermentative to glucose and sensisif to the test of O / 129 (Logan, 1994 ...

External factors are factors that affect the growth of seaweed from outside the body. At planting seaweed external factors affecting the growth is from the ecological or live media seaweed. Water temperature is one factor that is very important in the study of physics symptoms seawater and waters which could affect animal and plant life in these waters. Water temperature ...

A. Mycobacterium sp Mycobacterium sp. which is known as a cause of disease “fish tuberculosis” (Fish TB), is a rod-shaped bacterium, with a size of 0.2-0.6 x 1.0 to 10 μm, are gram positive weak, do not move, do not form spores or capsules and aerobic. These bacteria are often found in fresh and marine waters or soil with an ...