Possible Clues:

• At last there''s more than enough to give this a trial
• Part intended to represent the whole
• Small part intended to represent the whole
• Thus the South gets enough to be trying
• Statistical subset
• Small representative piece
• It's just a little trial, but for the South that's quite enough
• At last there's enough of this to be trying
• Taste(r)
• Lots follow second test