What is the maximum slope angle for cultivation?

The answer depends on what is being cultivated. Rice paddies require level ground whereas tea prefers slopes.

The answer depends on what is being cultivated. Rice paddies require level ground whereas tea prefers slopes.

The answer depends on what is being cultivated. Rice paddies require level ground whereas tea prefers slopes.

The answer depends on what is being cultivated. Rice paddies require level ground whereas tea prefers slopes.