Using the model of supply and demand, consider the impacts of the following changes on the market for Florida oranges. New environmental rules limit the intensity of fertilizer use, reducing the productivity of Floridian orange farmers, while at the same time the government releases new dietary guidelines recommending increases in the daily intake of vitamin C (oranges are a tasty source of vitamin C).

Discuss and illustrate any changes to the market for Florida oranges, and draw conclusions about any changes to equilibrium price and quantity.