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  • Brainly User
2016-04-18T12:04:46+05:30
 the use of cyanobacteria in algricultural fields for crop improvement helps in fixation of atmospheric nitrogen.by which the plant was able to take nitrogen for growth.
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2016-04-18T12:04:50+05:30

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Cyanobacteria improve nitrogen fertility of the crops fields as many of them are capable of nitrogen fixation. They also reduce alkalinity nd improve soil fertility.
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