Answer:
there would be a rise in equilibrium quantity and an indeterminate effect on equilibrium price
Explanation:
as a result of the scientists revelation, the demand for oranges would increase and so would the price.
as a result of the new fertilisers been used, the supply of oranges would rise and price would fall.
taking these two occurrences together, there would be a rise in equilibrium quantity and an indeterminate effect on equilibrium price