What advantage do Janis and John have planting perennial wheat instead of annual wheat?

Question

Quizplus · Accepted Answer

Perennial wheat requires less irrigation than annual wheat, as the roots of the plant grow deeper and are better able to access soil moisture. This can be a significant advantage in areas where water is scarce or expensive. While there may be other advantages to planting perennial wheat, such as reducing the need for herbicides or increasing profits, these are not mentioned in the given information, so D is the best answer.

What Advantage Do Janis and John Have Planting Perennial Wheat