BAKTERI NITRIFIKASI PDF

Jurnal i-lib UGM. Investigation of the effect of glyphosate on nitrification activity in the soil have been done on soil arable. The experiments were carried out using completely randomized design, with four level of glyphosate concentration, 0, 3. The ammonium sulphate fertilizer equivalent to kg per hectare were given to the experimental area one week before glyphosate application treatment.

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Jurnal i-lib UGM. Investigation of the effect of glyphosate on nitrification activity in the soil have been done on soil arable.

The experiments were carried out using completely randomized design, with four level of glyphosate concentration, 0, 3. The ammonium sulphate fertilizer equivalent to kg per hectare were given to the experimental area one week before glyphosate application treatment.

The ammonium and nitrate availability measurements have been done before glyphosate application and at 7th, 14th and 28th days after. At the same time soil pH, soil respiration rates and population Nitrification bacteria have been measured. The results indicate that the effect of glyphosate on nitrification activity depend on the concentration of glyphosate application and weed density.

The effect of glyphosate application on the activity of nitrification decreases when weed density increases. On 14th days after glyphosate application the effect of concentration 3. Nitrification bacteria obviously overcome the effect ofglyphosate. Key words: glyphosate -- soil -- nitrification. Search Repository Search the repository using a full range of fields.

Latest Additions View items added to the repository in the past week. Full text not available from this repository. More information and software credits. Admin Repo UGM.

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Jurnal Teknologi Lingkungan

The aim of this study was to obtain nitrification and denitrification bacteria and tested its activity in reducing the ammonia, nitrite and nitrate compounds in culture medium of Pacific white shrimp Litopenaeusvannamei. A total of 38 isolates of nitrification bacteria and 7 isolates of denitrification bacteria were successfully isolated from ponds and mangrove areas in the region of South Lampung and Subang, West Java. Of the total isolates were then selected in vitro based on its ability to reduce the compounds of ammonia, nitrite and nitrate and selected each 2 of the best isolates. Two select nitrification bacteria isolates, namely S11 and S12 each can oxidize ammonia at Keywords: nitrification, denitrification, Litopenaeus vannamei, water quality. ABSTRAK Penelitian ini bertujuan untuk mendapatkandan menguji aktivitasbakteri nitrifikasi dan denitrifikasi dalam mengurangi senyawa amonia, nitrit dan nitrat pada media budidaya udang vaname Litopenaeus vannamei.

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Many marine environmental pollution caused by industrial waste content comes from a variety of human activities is increasingly rising. Salinity, nitrogen and high phosphate present in industrial waste discharged directly and will cause damage to the receiving water bodies. High content of nutrients that will cause water pollution in the ecosystem. Presence of phosphate in the water will cause eutrophication. With a highly eutrophic conditions allow for the rapid growth of algae bloom due to the availability of excess phosphate. In this research, sampling location of the research team selected one is where the results are Sea Canal River West Flood Canal.

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Download full text Bahasa Indonesia, 11 pages. Badjoeri, Muhammad. Distribution of Nitrifying Bacteria in Floodplain Lake. Lake Loa Kang is a fishery reserve locatedin a floodplain system of River Mahakam. This floodplain lakes consists of severalhabitat types among the others are backswamp deposit lakes represented by Lake LoaKang and Lake Balikpapan. This two floodplain lakes exchange water with RiverMahakam and one of its tributary, the River Pela. Nitrification is one key ofmicrobiological process of nitrogen cycle in inland water.

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