Which of the following, if used as a fertilizer, would be most immediately available for plant uptake?

Name: Which of the following, if used as a fertilizer, would be most immediately available for plant uptake?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

NO3- (nitrate) is the most immediately available form of nitrogen for plants, as it can be taken up and used directly in plant metabolism. Other forms of nitrogen, such as NH3 (ammonia) or N2 (nitrogen gas), must undergo transformations in the soil before plants can use them.

Which of the Following, If Used as a Fertilizer, Would