Which of the following changes would be most helpful in achieving sustainable agriculture?

Image by Old Shoe Woman
Members of Valdosta State University’s Learning in Retirement toured a farm run by a non-profit organization that teaches sustainable agriculture techniques to missionaries. We saw hydroponic plots and other types of gardens that use less land to grow more food. We picked fresh strawberries for /lb.
Tuesday, March 27, 2012
10 am – 12 noon
Jeff Morgan and Les Cothern, Tour Guides

Question by ♥: Which of the following changes would be most helpful in achieving sustainable agriculture?
Sustainability means developing practices which protect the environment while also providing for human needs. Which of the following changes would be most helpful in achieving sustainable agriculture?

A. Clearing land for agriculture by cutting down trees instead of burning them
B. Growing crops that produce only renewable resources
C. Rotating crops to replenish the soil with nutrients
D. Tilling the ground to remove weeds and create uniform crop

is it B or C? i cant decide. Thank you!

Give your answer to this question below!