Boy Scouts Travel to Maine to Help Harvest Potatoes

In Aroostook County, scouts from nearby states gather to assist in the potato fields due to a shortage of manpower. The nation relies on these boys to help with the significant task of harvesting 63 million bushels of potatoes.

In what way are boys contributing to the potato harvesting effort?

What is the total amount of potatoes that need to be harvested as mentioned in the text?