Fertilizer run-off occurs when rainwater washes fertilizer from agricultural sources into nearby bodies of water. This run-off can cause an imbalance in the water, which can cause aquatic populations to decrease drastically. Which of the following would best help minimize the impact on water systems of using fertilizer for agricultural activities?
A.
Change the type of synthetic fertilizer used on crops frequently.
B.
Use fertilizer only on days when it is not raining.
C.
Spray crops with water immediately after they are fertilized.