Answers and Explanation:
Apply fertilizers at recommended amount and only when necessary.
Don't apply fertilizer before rainy or windy days.
Apply fertilizer at the period of maximum uptake and growth for grass and other plants, and this is usually during spring and fall in cool climate, and early and late summer in warm climates.
Don't apply fertilizer close to waterways.
Use a soaker hose or porous hose that releases water directly to the ground, reducing overwatering that carries away fertilizers that would otherwise enrich lawns and gardens.
Make use of hard surface for fertilizer spreaders so that any spills can be easily cleaned up.
Proper storage of unused fertilizers and proper disposal of empty containers.
In order to reduce nitrogen oxide emissions which would cause adverse environmental impact, maintain your lawn mowers, snow blowers, chain saws, leaf vacuums and similar outdoor power equipment.