Why is alley cropping considered a sustainable farming practice?(1 point)

Responses

It requires farmers to know best practices for only one crop.
It requires farmers to know best practices for only one crop.

It allows farmers to meet current needs while preserving resources.
It allows farmers to meet current needs while preserving resources.

It is less expensive than conventional farming.
It is less expensive than conventional farming.

It allows farmers to focus on selling their crops locally.

It allows farmers to meet current needs while preserving resources.