Healthy, high-quality soil has the potential to increase the yield of your orchard: learn the nuts-and-bolts of great soil in this publication to get started.
Bacterial canker is a real problem for sweet cherry growers, but you can learn to prevent and manage this disease by following the guidelines outlined here.
Using these inputs, costs, and yields considered typical of a well-managed orchard, you can determine if producing Granny Smith is economically feasible for your operation.