This happens because dog urine is rich in nitrogen, which is known to kill grass when concentrated amounts collect over time. The effects of dog urine on your lawn are similar to that of a nitrogen-rich liquid fertilizer.
Fertilize your lawn less, or not at all, in areas where your dog urinates.
Fertilized lawns may already have as much nitrogen as they can handle. Even a small amount of nitrogen in dog urine may be all that is needed to burn the lawn.
Spray areas where your dog urinates with water.
Pouring water on the area after your dog urinates will help to dilute the urine and lessen the effects of the nitrogen on your lawn.
Encourage your dog to drink more water.
The more your dog drinks, the less nitrogen will be concentrated in the urine and the less damaging it will be to your lawn. It will also be healthier for your dog as well. Have you ever noticed that more burnt spots appear after letting your dog out first thing in the morning? This is because their urine has not been diluted by drinking all day. It is the first urination of the day with high levels of nitrogen.
Replant affected areas with a more urine-resistant grass.
Ryegrass and Fescue are the most urine-resistant type of grass, while Kentucky Bluegrass and Bermuda are the most sensitive. I found this interesting because who would have thought the type of grass is more resistant and hardy over another type which is not.
Feed your dog a dietary supplement.
Certain dietary supplements, such as Green-UM and Drs. Fosters and Smith “Lawn Guard,” bind with the nitrogen in the urine, making it less harmful to your lawn. I have never tried any supplements so I cannot speak to these recommendations. I would talk with my vet first before trying any.
Train your dog to eliminate in one area.
Some products, such as the Simple Solution Pee Post, are impregnated with pheromones to encourage your dog to pee on or near them. Designating an area for your dog to eliminate in will save the remainder of your yard.
Apply a lawn repair treatment.
Some treatments, such as Dogonit Lawn Repair Treatment, contain organic enzymes with soil cleansers to flush the salts from the root zone.
Nitrogen happens to be one of the substances excreted when protein is broken down; the more protein your dog eats, the more nitrogen released. And the more nitrogen, the bigger chance your dog is killing your grass.
"Isn't this picture funny?" "Look at Jake's face and look at Maggie looking at him". LOL. "They both are so expressive!"
If you have had this problem and have found a product or products that have worked, please leave me a comment. I would love hear about your experience.