![]() This usually happens when you use too much fertilizer but can also be caused by a gradual build-up of salts in the soil from general over-fertilizing. If your lawn begins to turn yellowish or brown this is often a sign of mild fertilizer burn. What Are the Symptoms of Fertilizer Burn on Grass? The overuse of fertilizer, therefore, either in the short term or over a period of time will be detrimental to the grass, as the roots of the grass don’t get enough water which leads to yellow or browning of the grass blades that are the telltale signs of fertilizer burn. In addition to this, overuse of chemical fertilizer can reduce organic matter and humus in the soil, as well as increase acidification, which leads to a high risk of fertilizer burn which will cause stunted grass growth and eventually areas of dead grass. This is caused by an excess of nitrogen or ammonium sulfate, and other salts in the fertilizer, When there is an excessive build-up of these mineral salts in the soil, the grass dries out. When you apply fertilizer, as it is hygroscopic, it absorbs and takes moisture out of the ground and the soil becomes drier and less able to hold water. Carefully Calculate the Right Amount of Fertilizer for the Size of the Area.Use Slow-Release Granular Fertilizer or an Organic Fertilizer Step 4: Add Sawdust or Woodchip Mulch and Amendments.Step 1 Assess the Extent of The Problem.What Are the Symptoms of Fertilizer Burn on Grass?.The roots of the grass can’t take up the nutrients fast enough, so they build up in the soil removing moisture and oxygen causing the grass blades to burn. The primary reason why fertilizer burns grass is because the nutrients in the fertilizer are too concentrated for the grass to handle. ![]() We will explore what causes this to happen, possible recovery solutions, and methods to prevent fertilizer burn from happening in the first place. If you over-fertilize your lawn, it can lead to discoloration and an unkempt appearance and result in parts of your lawn dieing off. However, if you put too much fertilizer at once, or over use fertilizer over a long period, it can cause fertilizer burns. If you want to grow lush green grass in the summer fertilizing regularly will be an important part of your lawn care regime. Gardening Latest and its partners may earn a commission if you purchase a product through one of our links. From a jobbing gardener to running his own landscaping services. Keith has been involved in the gardening and landscaping industry for the past 21 years.
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