They made the same or more crop, but the market value of crops dropped through the floor during the green revolution and made it require way more scale to make a profit off agriculture.
So they would have needed a much greater quantity of crop yield to make the same relative income, and most family farms were not big enough to support it (and the farmers didn't have the savings to afford equipment).
So they would have needed a much greater quantity of crop yield to make the same relative income, and most family farms were not big enough to support it (and the farmers didn't have the savings to afford equipment).