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Nitrogen in the air

Nitrogen in the air. nitrogen fixing plant eg pea, clover. animal protein. plant made protein. dead plants & animals urine & faeces. denitrifying bacteria. root nodules ( containing nitrogen fixing bacteria). decomposition by bacteria & fungi. nitr a tes absorbed. nitr a tes.

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Nitrogen in the air

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  1. Nitrogen in the air nitrogen fixing plant eg pea, clover animal protein plant made protein dead plants & animals urine & faeces denitrifying bacteria root nodules (containing nitrogen fixing bacteria) decomposition by bacteria & fungi nitrates absorbed nitrates ammonia bacteria nitrites bacteria (nitrifying bacteria)

  2. The nitrogen fixing bacteria are found inlumps on the roots called root nodules. The bacteria and the plant have a symbiotic relationship: the bacteria benefits by having food and shelter from the plant and the plant benefits by having nitrates produced by the bacteria. Roots of a legume plant (peas, beans and clover).

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