A farmer notices an algae bloom in the pond next to a large crop field. This farmer knows that algae blooms are generally caused by increased nitrogen in the water. What should this farmer check to determine the cause and hopefully mitigate this issue in the future? The farmer should check: Check All That Apply If fertilizer was applied before a weather event such as a rainstorm If a pesticide was used on the field If the rate of application was higher than the known uptake value by the plants being fertilized If a herbicide was sprayed into the pond