The Lowest Limit of Limit pH for Nitrification in Tea Soil and Isolation of an Acidophilic Ammonia Oxidizing Bacterium
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概要
- 論文の詳細を見る
Investigation to determine the lowest limit of soil pH for nitrification were carried out in the laboratory using acid tea soils with pH range of 3.3 to 5.1. A significant linear correlation was observed between the soil pH value and nitrification rate which was measured by the soil incubation method. It was indicated that the lowest limit of the pH for nitrification was around pH 2.9. Two types of morphologically distinct strains of chemoautotrophic ammonia-oxidizing bacteria were isolated from four tested soils. One of them which was acidophilic was found to grown in a pH range from 3.5 to 7.0 in pure culture. The optimum pH for growth and ammonia oxidation of the acidophilic strain was pH 5.0. Acidophilic ammonia-oxidizing bacteria presumably play an important role in nitrification in acid tea soils.
- 社団法人日本土壌肥料学会の論文
著者
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Hayatsu Masahito
Department Of Environmental Science For Human Life Faculty Of Agriculture Shizuoka University
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Hayatsu Masahito
Department Of Tea Agronomy National Research Institute Of Vegetables Ornamental Plants And Tea (nivo
関連論文
- The Lowest Limit of Limit pH for Nitrification in Tea Soil and Isolation of an Acidophilic Ammonia Oxidizing Bacterium
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