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Nitrogen in the air

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

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slide1

Nitrogen in

the air

nitrogen fixing plant

eg pea, clover

animal protein

plant made

protein

dead rabbit

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)

slide2

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