Laju Potensial dan Kelimpahan Bakteri Nitrifikasi, Denitrifikasi dan Disimilatory Nitrate Reduction to Ammonium (DNRA) pada Lahan Perkebunan Karet di Jambi.
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Date
2013Author
Masrukhin
Rusmana, Iman
Mubarik, NIsa Rachmania
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Nitrogen is an abundant element in nature. This element is an essential nutrient for plant growth. High demands of nitrogen because nitrogen is an integral component of many constituent compounds such chlorophyll, protein, enzymes, nucleic acids and nucleotides. Nitrogen cycle occur in nature in aerobic and anaerobic conditions. Nitrification is oxidation of ammonium to nitrate. Denitrification and disimilatory nitrate reduction to ammonium (DNRA) is the process of anaerobic nitrate reduction. This study aims to measure the potential rate of nitrification, denitrification, and DNRA and measure the abundance of bacteria in the rubber plantations in Jambi. Generally, denitrification activity was the most dominant activity. The lowest potential rate was DNRA. The high rate of denitrification was inversly proportional to the rate of DNRA because the availability of carbon source.
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