Hama Seaweed Fish Beronang

Hama macro is a parasitic organism that is larger than 2 cm contained cultivation location itself and has been in the form of large size / adults. Fish beronang (Siganus spp), is the biggest pests in the cultivation of seaweed. Beronang fish seed has clustered nature of the most serious pests of attack. These fish attack the entire thallus the ...

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Teknik Penanganan Sampel

Setelah pengambilan sampel, air sampel sebaiknya segera dianalisis. Jika terpaksa harus disimpan, setiap parameter kualitas air memerlukan perlakuan tertentu terhadap sampel. Selain perlakuan dengan bahan kimia, pengawetan yang paling umum dilakukan adalah pendinginan pada suhu 4ºC selama transportasi dan penyimpanan. Pada suhu tersebut, aktivitas bekteri terhambat. Sampel yang ditunda pengukurannya dan terpaksa harus dilakukan penyimpanan sebaiknya dilakukan labeling pada botol ...

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Tekstur Tanah

Tekstur tanah adalah salah satu dari sifat sifta fisik tanah yang sangat besar pengaruhnya terhadap pertumbuhan tanaman dan sifat-sifat tanah lainnya. Secara keseluruhan sifat-sifat fisik tanah ditentukan oleh:  Ukuran dan komposisi partikel-partikel hasil pelapukan bahan penyusun tanah;  Jenis dan perbandingan komponen penyusun partikel tanah.  Keseimbangan antara suplai air, energi dan bahan dengan kehilangannya.  Intensitas reaksi kimiawi ...

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Hama Algae Seaweed

a. Algae Ectocarpus Ectocarpus sp. is one type of brown algae (Phaeophyceae). Brown algae commonly found in the sea, attached to the rocks and often stranded on the beach. Body shape resembles a higher plants because it has a tool similar roots, stems and leaves. Thallusnya length can reach 10 meters. The brown algae contain chlorophyll because in addition also ...

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Determination River Water Sampling

If the capture location has been set, the next step is to determine the point of uptake. The number of points is highly dependent on the annual average discharge and classification of the river. A growing number of sampling points, the indescribable quality of the actual river water. Table 12 below illustrates the amount of river water withdrawal points corresponding ...

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Hama Micro Seaweed

Pests and diseases can cause damage to the seaweed, this is because the pest seaweed is seaweed grazer so consumed by pests that exist in the location of cultivation. There is also a pest seaweed that are attached to the thallus kelp, this causes seaweed thallus can not receive nutrients and oxygen available in the water to the optimum because ...

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