Nitrogen is absorbed in the form of Cloze (1): JXUwMDE2JXUwMDI3JXUwMDFkJXUwMDA2JXUwMDEzJXUwMDE1JXUwMDExJXUwMDE2JXUwMDUzJXUw MDQ5JXUwMDA2JXUwMDAxJXUwMDFk and Cloze (2): JXUwMDE5JXUwMDJjJXUwMDAwJXUwMDAyJXUwMDAxJXUwMDA3JXUwMDFjJXUwMDE4JXUwMDRkJXUw MDQ5JXUwMDA2JXUwMDAxJXUwMDFk from the soil and play a role of proper Cloze (3): JXUwMDJlJXUwMDEzJXUwMDAyJXUwMDAyJXUwMDExJXUwMDE1JXUwMDE1JXUwMDFkJXUwMDFmJXUw MDEzJXUwMDQ1JXUwMDQ3JXUwMDE1JXUwMDFkJXUwMDE4JXUwMDAzJXUwMDFj in crops.