A Research Agricultural Engineer is a professional who applies principles of engineering, soil science, and biotechnology to design and develop new and improved methods for producing food, fuel, and other products from agricultural resources. They work to improve the efficiency and sustainability of agricultural systems, and conduct research to increase crop yields and improve the quality of agricultural products. They may also develop new equipment and technology for use in agriculture, as well as work to conserve natural resources and protect the environment. In short, Research Agricultural Engineers are responsible for developing and implementing new technologies and practices in order to improve the efficiency and sustainability of agricultural systems.