Nitrogen fixing plants

Question

1) How do I get plants (Nitrogen fixing plants) to increase nitrogen uptake from the air?
2) Is there a way to get non nitrogen fixing plants to take up nitrogen from the air?

Answer 1

1) You can inoculate the soil with a special kind of bacteria that will increase the nitrogen uptake of nitrogen fixing plants. Here is more information: https://www.gardeningknowhow.com/edible/vegetables/beans/soil-inoculants.htm

2) No.