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KMID : 0613820130230010079
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Journal of Life Science
2013 Volume.23 No. 1 p.79 ~ p.83
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Growth Promotion of Lettuce by Biofertilizer, BIOACTIVE, Prepared from Bacillus subtilus HR-1019 and N-acetyl-thioproline
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Lee Yong-Suk
Park Dong-Ju
Kim Jae-Hoon
Kim Hyeong-Seok
Chung Soo-Yeol
Choi Yong-Lark
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Abstract
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A biofertilizer, BIOACTIVE, was manufactured by N-acetyl-thioproline (ATCA) and mineral phosphate solubilizing bacteria. The growth promoting effect of the biofertilizer on lettuce was evaluated under three different pot conditions, and its stability was assessed in the field. According to the results of the pot experiments, plant growth was improved compared with that of control: 128%, 122%, and 153% for the leaf number, leaf length, and leaf mass, respectively. Applying the manufactured biofertilizer increased the concentration of phosphate: 118% and 132% in the cultivation soil and plant cells, respectively. These show that BIOACTIVE may have potential as an effective biofertilizer in agriculture.
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KEYWORD
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Bacillus subtilis, growth promotion, lettuce, N-acetyl-thioproline
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