Increased use of home lawn and garden fertilizers causes concern about pollution of lakes and groundwaters. This 2-page fact sheet discusses the ways and likelihood of phosphorus and nitrogen contaminating surface and groundwaters. Suggests soil testing before deciding whether to fertilize lawns, gardens, and landscape plants with phosphorus and nitrogen. Three tables give phosphorus fertilizer suggestions based on soil test results. Presents guidelines for fertilizer application and landscape maintenance. For homeowners.
Preventing Pollution Problems from Lawn and Garden Fertilizers
Posted: September 11, 2019 by MAEE Administration
Category: University of Minnesota Extension
Increased use of home lawn and garden fertilizers causes concern about pollution of lakes and groundwaters. This 2-page fact sheet discusses the ways and likelihood of phosphorus and nitrogen contaminating surface and groundwaters. Suggests soil testing before deciding whether to fertilize lawns, gardens, and landscape plants with phosphorus and nitrogen. Three tables give phosphorus fertilizer suggestions based on soil test results. Presents guidelines for fertilizer application and landscape maintenance. For homeowners.