Application and Importance of Nuclear Energy in Agriculture. They are used for many purposes among them in agriculture also this energy is used. It improves the shelf life of the foods which are processed. The electricity which can be generated with the help of nuclear energy can be used for agriculture. It also improves nutritional value of some of the crops. Disease resistance crops such as onions, tomatoes, rice etc can be produced with the help of nuclear energy. Through radiation it improves the production of rice.