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Soil Biological Function

Biological soil serves as a habitat for organisms that participate actively in the provision of nutrient and growth boosters substances (additives) for plants, which are integrated capable of sustaining the productivity of the land to produce biomass and production of food crops, medicines, industrial estates, forestry and so on other. As a growing medium, the soil has four main functions, ...

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Suspended Solids and Total Dissolved

Total suspended solids or Total Suspended Solid (TSS) is suspended materials and dissolved in water, these materials filtered on Millipore filter paper with a pore size of 0.45 lm. While total dissolved solids are dissolved materials that are not filtered by Millipore filter paper with a pore size of 0.45 lm. TSS measurement is done by gravimetric consisting of screening ...

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Tingkat Kesadahan Perairan

Pengaruh kalsium karbonat (CaCO3) dalam air dapat pula dinyatakan sebagai kesadahan yaitu kemampuan air untuk membentuk busa apabila dicampur dengan detergen (sabun). Pada air yang mempunyai kesadahan rendah akan mudah membentuk busa apabila dicampur dengan sabun. Sedangkan pada air yang mempunyai kesadahan tinggi tidak akan terbentuk busa. Kesadahan sangat penting bagi kehidupan ikan. Tidak semua ikan dapat hidup pada nilai ...

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Cara Kematian Ikan

Ikan yang berjuang keras dalam menghadap mautnya, lebih cepat membusuk daripada ikan yang mati dengan tenang dan cepat, karena fase rigor mortis terjadi sebelum waktunya. Pada ikan yang banyak mengeluarkan energi karena terkena jaring/pancing, maka perubahan glukosa asetyl berlangsung cepat sehingga reaksi terjadi secara anaerobic yang mengakibatkan terbentuknya asam laktat yang akan merubah suasana jaringan menjadi asam dan terjadi oksidasi ...

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The Level of Development Land Structure

Based on the level of development or stability of the structure of the soil, the soil structure can be divided into several levels, namely: Weak ie if a grain of soil structure can be seen, remains damaged and destroyed when taken from the soil profile to be checked. Being that if the soil structure has a grain structure that is ...

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Types of Soil Structure

Based on the results of soil investigation in the field, the soil structure is described by:  Types, according to the shape and arrangement ped, consisting of a round, plate, beams and prisms.  Class is an indicator of the shape of the structure formed ped-ped constituent, produces 7 types of soil structure.  Level that indicates the degree of ...

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