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Potassium is required in a small number of plants used as a catalyst, especially in the conversion of proteins and amino acids, but the biggest concentration of potassium is contained in seaweed. Potassium deficiency can lead to impaired photosynthesis and increased respiration, resulting in stunted growth and fragility of the plants so easily broken and damaged (Dwidjosaputro, 1992). Potassium also ...

Substrate waters is the basis waters where algae can grow and develop properly. Deployment of sea algae and density in a body of water depends on the type of substrate, seasons and species composition. According to Mubarak and Wahyuni ​​(1981) the types of substrates that can be covered by marine algae is sand, mud and rubble. The best type of ...

Rise and fall of sea level periodically during a certain time interval is called tides. It is also said by Bhatt (1978) that the tide is the period of the rise and fall of sea level which is the result of the attractive force of the earth and the moon, and a small part due to the gravitational pull of ...

Phosphorus is an essential element for all aspects of life, especially work for the transformation of metabolic energy that role can not be replaced by another element (Kuhl, 1974). Phosphorus is a constituent element of pyrophosphate bond of adenosine triphosphate (ATP), which is rich in energy and the fuel for all activities in all living cells and is an important ...

Strain the seaweed will continue to develop in accordance with the breeding capability and characteristics of the development area. Especially if it happens domestication in certain areas. strain differences seaweed Kappaphycus alvarezii most prominent can be seen from the color differences. When this has also developed strains developed in Indonesia so named Maumere strain, strain Bangkok, Polewali strain, strain kale ...

As each – each factor can be explained as follows: A. Erositas Rain (R) Erosivitas rain is the ability of rainwater as the cause of the erosion that comes from the rate and distribution of raindrops, which both affect the magnitude of the kinetic energy of raindrops. Based on the monthly rainfall data, rainfall erosivitas factor (R). B. Erodibility Land ...