Key Concepts: 1  Legumes (family Fabales) develop root nodules that harbour Rhizobium bacteria (rhizobia). 2  Endosymbiotic bacteria (bacteroids) convert nitrogen to ammonia (biological nitrogen fixation). 3  Legume crops restore fertility to agricultural soils by capturing nitrogen from the atmosphere.
Benefits of Wearing Gold: 1. Gold has healing property: Pure gold helps in healing the wound and controlling infections in the body. It is said that if a person places a piece of 24 karat gold (pure gold) on an infected area in the body or on a sore wound, the gold helps in reducing the infection.
If you are allergic to nickel, one of the things you can do is buy gold jewelry that is of a higher karat grade. Most people with such an allergy cannot wear 10k gold, so if you are in the same situation, you can opt for 14k or 18k gold. Try higher karats until you find the type of gold you can tolerate.erhaps the best option you have if you have an allergy to nickel is to wear jewelry made of hypoallergenic materials, i.e. nickel-free metals and alloys that do not cause skin irritation or other adverse effects.