Nitrogen assimilation and the interaction with Carbon Crossword

Which form of Nitrogen grapevines most uptake from the soil solution
When reserve Nitrogen is most likely depleted in the grapevine by?
What ammonium ions combine to become amino acid with?
Which place nitrogen assimilation method require less energy, leaves or roots?
Which enzyme largely involve in photosynthesis made by Nitrogen?
Which grapevine development stage grapevine root system most uptake Nitrogen from the soil?
In Nitrogen deficiency, what staff loss makes grapevine leaves turning yellow?
Nitrogen is mobile or immobile?
Nitrification is oxidation or reduction process?
What nitrate is converted to form ?
After harvesting, does Nitrogen re-distributed from the leaves to roots?