Nitrogen Cycle Flashcards

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1
Q

ammonification

A

production of ammonia from organic nitrogen-containing compounds

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2
Q

Nitrification

A

oxidation of ammonium ions to NITRITE ions

Oxidation of NITRITE ions to NITRATE ions

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3
Q

Which plants have nitrogen fixing bacteria, where are they and what is this and example of?

A

Legumes, in the root nodules, example of mutualism (bacteria provide nitrates to plant, plant provides sugar)

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4
Q

Denitrification

A

Soils waterlogged and oxygen concentration decreases meaning less aerobic nitrifying and nitrogen fixing bacteria and more anaerobic denitrifying bacteria

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5
Q

X

A

Leeching of nitrates causes eutophication

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6
Q

Leaching

A

loss of water-soluble plant nutrients from the soil, due to rain and irrigation (applying controlled amounts of water to plants and needed intervals)

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7
Q

Correct sequence of changing ions

A

NH4 +, NO2 -, NO3-

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