Respuesta :
Answer:
alternation of crops
Explanation:
Common legumes include clover, beans, peas, alfalfa, and peanuts. Thomas Jefferson suggested that farmers alternate their crops between different fields each year. They range from single cells up to large organisms measuring 50 centimeters or more.
3 alternation their crops between different fields each year. They left one field fallow so that it could have an opportunity to regain some nutrients.