Which statement(s) accurately describes nitrogen fertilizers and the nitrogen cycle? ? Most nitrogen is directly adsorbed from the atmosphere by plants. ? Excessive use or misuse of nitrogen fertilizers can do significant harm to both land and water ecosystems. ? Nitrogen fertilizers are not necessary for modern farming because nitrogen fixing bacteria can produce fixed sources of nitrogen faster than it is uptaken by crops. ? A little is good, a lot must be GREAT!
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Nitrogen is essential for plant growth, and it is taken up by plants from the soil. Show moreā¦
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Select the INCORRECT statement about the Nitrogen cycle. 1) Nitrogen in the atmosphere is plentiful, but nitrogen deficiency sometimes limits plant growth because plants cannot use nitrogen directly. 2) Nitrogen-fixing bacteria living in close proximity to plants produce nitrogen-rich organic molecules available to the host plants. 3) Human activity increases the levels of Nitrogen oxide in the atmosphere which contributes to acid rain deposition that affects the environment. 4) Human activity has no effect on the nitrogen cycle since it is readily available in the atmosphere.
Sri K.
All of the statements about the nitrogen cycle are true EXCEPT one. That is A) lightning breaks nitrogen molecules so it can combine with oxygen. B) putting man-made fertilizers on farm fields exceeds natural nitrogen levels in the soil. C) bacteria located in the soil trap excess nitrogen and help to remove it from plant roots. D) although nitrogen is the most abundant atmospheric gas, plants cannot use it from the air.
Which statement describes both a positive impact and a negative impact associated with the effects of nitrogen-enhanced fertilizers?
Shaiju T.
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