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Tag : Nitrogen

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Understanding Fertilizer

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Toro’s agronomist, Dr. Van Cline, explains the three numbers on a fertilizer bag and offers helpful hints for feeding your lawn.

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NPK In-depth

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Want to know what the three key nutrients in fertilizer — nitrogen, potassium and phosphorus — do for your lawn? Dr. Van Cline, Toro’s agronomist, explains in detail, and shares how to keep your lawn green and healthy.

Fertilizer Basics

Fertilizer Basics

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Grasses require at least 16 different essential elements for healthy growth, most of which are provided by the grass’s surrounding environment.  However, three of these elements, nitrogen (N), phosphorus (P) and potassium (K), are needed in larger quantities and may require you to apply a fertilizer to sustain a healthy, vigorous turf. Nitrogen is the mineral nutrient required in greatest quantity.  Not only is nitrogen responsible for enhancing the grass’s deep…

Fertilizer Guidelines

Step 4. Add Nutrients

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Use a slow-release fertilizer, and avoid putting down more fertilizer than you need. Adding too much nitrogen can cause rapid growth and a thinning of plant cell walls, which makes grass more susceptible to disease. The excess fertilizer may also leach and eventually find its way into waterways, polluting them. Tested Soil When restoring a lawn, apply the fertilizer as recommended by the results of your soil test. Untested Soil If you…