What does it mean to be a'small potato'?

When you refer to someone in an organisation as being small potatoes, what you are suggesting is that he is an insignificant individual — he is not very high up in the corporate ladder. In British English, such an individual is referred to as ‘small beer’. The allowance that my father gives me is small potatoes compared to what you get.

Are small potatoes a fruit or a vegetable?

It so happens that there are parts of the country which produce small potatoes. Every farmer will take up this large block of small potatoes which are now to be put up for consumption; but there has always been such a block. Fruits look much like small potatoes and are borne in clusters similar to grapes.

Are there restrictions on the sale of small potatoes?

Restrictions are in force regarding the sale of small potatoes of the old crop. It so happens that there are parts of the country which produce small potatoes. Every farmer will take up this large block of small potatoes which are now to be put up for consumption; but there has always been such a block.