nitrogen helps to make protein, which is important for growth. if a plant won't get nitrogen, it's growth will be slow and it will have small pale leaves :)
Varies from plant to plant depending on what compounds are in their leaves. Most likely Oxygen, Carbon, Nitrogen, and Hydrogen.
Nitrogen" " is taken in as nitrates and is needed to form proteins and chlorophyll. Without nitrogen the plant's leaves turn yellow and the plant shows poor growth.Andrew Campbellandrewcampbell@gmail.com
In carnivorous plants, the "mouths" eat insects to give the plant its necessary nitrogen.
If a plant doesn't take in nitrates, it will wither and die. Nitrogen is one of the three macronutrients (nutrients needed in relatively large amounts) for any given plant. The other two are phosphorous and potassium. The only way for a plant to absorb nitrogen is through nitrogen-rich compounds, such as the nitrates and nitrites.
It will cause the leaves to be deformed appearing to be shriveled and rolled. It will also cause the plant to flower less and produce skinny elongate fruit.
The plant you are referring to is likely the clover plant, which has three heart-shaped leaves and is often associated with luck. Clovers are commonly found in fields and pastures and are known for their ability to fix nitrogen in the soil, making them beneficial for other plants.
Chinese Hibiscus leaves should be a rich dark green. If the leaves are turning yellow, the plant my be dying. The plant could be saved by hydrating the plant, and giving the plant fertilizer.
because the nitrogen helps the plant grow
People put nitrogen in fertilizers because nitrogen in the form of ammonium nitrogen is essential for a plant's growth.
roots
The nitrogen goes into the nodules of the plant.