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Explain why nitrate uptake by plant roots is faster in aerated soils? please help!

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    I know it's because it let's oxygen in and what not, but it's a past paper fourth year question worth 3 marks, can anyone give me a good answer? thank you so much, biology is not my strong point !!
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    (Original post by ScienceConfusion)
    I know it's because it let's oxygen in and what not, but it's a past paper fourth year question worth 3 marks, can anyone give me a good answer? thank you so much, biology is not my strong point !!
    I think it's because the bacteria that carry out the reaction (for forming NO3- ions), nitrifying bacteria, work best in aerobic conditions, where there is a plentiful supply of oxygen.
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    thanks so much!! great help.

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