Tool pH Meter

pH meter is a tool that can be used to measure the pH of a solution. Electrodes on the pH meter immersed in the solution to be tested pH. pH meter will indicate the pH of the solution automatically. Working Principle pH Meter In principle, a pH measurement is based on the electro-chemical potential that occurs between the solution contained ...

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Fungsi Tanah Secara Biologis

Secara biologis tanah berfungsi sebagai habitat organisme yang berpartisipasi aktif dalam penyediaan hara tersebut dan zat pemacu tumbuh (aditif) bagi tanaman, yang secara terpadu mampu menunjang produktivitas tanah untuk menghasilkan biomassa dan produksi tanaman pangan, obat-obatan, industri perkebunan, kehutanan dan lain-lain. Sebagai media tumbuh, tanah mempunyai empat fungsi utama, yaitu ; 1. Tempat tumbuh dan berkembangnya perakaran tanaman yang mempunyai ...

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Water pH Measurement

pH or acidity is used to express the degree of acidity (or alkalinity owned by a solution. That meant “acidity” is the concentration of hydrogen ions (H +) in water solvent. The pH values ​​ranging from 0 to 14. A solution is said to be neutral if it has pH = 7. The pH value> 7 indicates alkaline solution properties, ...

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Tekstur Tanah Berdasarkan Volume

Penetapan tekstur tanah dengan menggunakan persen volume dapat dilakukan dengan lebih sederhana dibandingkan dengan metode hidrometer. Prinsip penetapan berdasarkan persen volume ini juga berdasarkan pada kecepatan pengendapan. Dimana fraksi yang kasar atau pasir akan mengendap lebih awal (1 meniut) dan kemudian diikuti oleh fraksi debu sekitar 2 jam, dan sisanya adalah fraksi liat yang akan mengendap sekitar 48 jam kemudian. ...

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Sampling Water Lake or Reservoir

Water sampling at the point of lake or reservoir is set according to the following provisions; On lakes or reservoirs with a depth of less than 10 m, water samples were taken from two points, namely at the surface and at the bottom of the lake / reservoir On lakes or reservoirs with depths between 10 m – 30 m, ...

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Attack Symptoms In Seaweed

Semangun (1996) describes plant diseases when viewed from the angle of biology is a deviation from normal trait that causes the body can not perform normal physiological activities, while from the economic angle plant diseases is the inability to deliver sufficient results, both quantity and quality. Microorganisms (microbes) are not directly cause a disease, but outside circumstances have weakened the ...

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