Question

Three Sisters" farming was an agricultural system of companion planting innovated by the Iroquois-speaking peoples of the Northeast; farmers planted corn, beans, and squash together. The beans used the cornstalks as a trellis to grow on, but how did beans benefit the other two plants in the system?

Choose 1 answer:

A: bacteria on the roots of beans 'fix' nitrogen from the atmosphere into the soil, fertilizing the earth for the benefit of the corn and squash

B: bean leaves provided crucial shade for the squash, which can be damaged by too much direct sunlight; the shade enabled the squash to develop vital nutrients

C: bean shoots reached out and strangled weeds, leaving the way clear for the other companion plants​

Answer 1

option "A"

Step-by-step explanation:

beans actually have the capacity to boost nitrogen into the soil and surrounding which help other plants in nutritients