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Q.1
Nitrogen exists in many forms in the soil. Which forms have the most impact on water quality?

Q.2
Nitrous oxide, a contributor to climate change, can be emitted from soil or stored manure. Compared to carbon dioxide, nitrous oxide...

Q.3
In the year of application, crops typically take up...

Q.4
Excess phosphorus in the soil can cause ...

Q.5
As soil becomes more acidic ...

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