Selecting the Correct Fertilizer — Select Appropriate Fertilizer
Part of project
Lawn Fertilization · Step 2 of 7
In this video
When choosing a fertilizer, look for the N-P-K ratio, typically displayed as three large numbers on the front of the bag (e.g., 15-5-10). These numbers represent the percentage by weight of Nitrogen (N), Phosphorus (P), and Potassium (K) in the fertilizer. For example, a 50-pound bag of 15-5-10 fertilizer contains 7.5 pounds of Nitrogen, 2.5 pounds of Phosphorus, and 5.0 pounds of Potassium. To determine your lawn's specific nutrient needs, conduct a soil test. Soil tests measure the current NPK content and pH levels of your soil, providing valuable information to select the appropriate fertilizer. If your soil has excessive nitrogen, consider using a slow-release fertilizer to temper the amount of nitrogen your lawn receives, as too much can encourage weeds, diseases, or burn the grass roots. Soil test kits can be purchased at big box stores or samples can be submitted to local agricultural extensions.
FAQs
What is the most critical first step before I even buy fertilizer?
The most critical first step is to perform a soil test. This will tell you your soil's pH and nutrient levels, allowing you to choose a fertilizer that precisely addresses your lawn's specific needs, preventing waste and potential damage from over-fertilization.
What tools are absolutely essential for fertilizing my lawn effectively?
You'll definitely need a soil test kit, a broadcast spreader for even application, and a lawn mower to prepare the lawn. A soil sampler probe helps get accurate samples, and a leaf blower can clear debris before spreading and clean up granules afterward.
What are the key safety precautions to take when handling and applying fertilizer?
Always wear gloves, eye protection, and closed-toe shoes to protect yourself from skin and eye irritation. Read the fertilizer label carefully for specific instructions, and keep children and pets off the lawn until the fertilizer has been watered in and dried completely, usually 24-48 hours.
How can I avoid common mistakes like over-fertilizing or uneven application?
To prevent over-fertilization, calibrate your broadcast spreader according to the bag's instructions for the correct rate. For even coverage, apply half the recommended amount walking in one direction, then apply the other half walking perpendicularly. Sweep any granules off hard surfaces immediately to prevent staining and runoff.
Selecting the Correct Fertilizer — Select Appropriate Fertilizer
Part of project
Lawn Fertilization · Step 2 of 7
In this video
When choosing a fertilizer, look for the N-P-K ratio, typically displayed as three large numbers on the front of the bag (e.g., 15-5-10). These numbers represent the percentage by weight of Nitrogen (N), Phosphorus (P), and Potassium (K) in the fertilizer. For example, a 50-pound bag of 15-5-10 fertilizer contains 7.5 pounds of Nitrogen, 2.5 pounds of Phosphorus, and 5.0 pounds of Potassium. To determine your lawn's specific nutrient needs, conduct a soil test. Soil tests measure the current NPK content and pH levels of your soil, providing valuable information to select the appropriate fertilizer. If your soil has excessive nitrogen, consider using a slow-release fertilizer to temper the amount of nitrogen your lawn receives, as too much can encourage weeds, diseases, or burn the grass roots. Soil test kits can be purchased at big box stores or samples can be submitted to local agricultural extensions.
Frequently Asked Questions
What is the most critical first step before I even buy fertilizer?
The most critical first step is to perform a soil test. This will tell you your soil's pH and nutrient levels, allowing you to choose a fertilizer that precisely addresses your lawn's specific needs, preventing waste and potential damage from over-fertilization.
What tools are absolutely essential for fertilizing my lawn effectively?
You'll definitely need a soil test kit, a broadcast spreader for even application, and a lawn mower to prepare the lawn. A soil sampler probe helps get accurate samples, and a leaf blower can clear debris before spreading and clean up granules afterward.
What are the key safety precautions to take when handling and applying fertilizer?
Always wear gloves, eye protection, and closed-toe shoes to protect yourself from skin and eye irritation. Read the fertilizer label carefully for specific instructions, and keep children and pets off the lawn until the fertilizer has been watered in and dried completely, usually 24-48 hours.
How can I avoid common mistakes like over-fertilizing or uneven application?
To prevent over-fertilization, calibrate your broadcast spreader according to the bag's instructions for the correct rate. For even coverage, apply half the recommended amount walking in one direction, then apply the other half walking perpendicularly. Sweep any granules off hard surfaces immediately to prevent staining and runoff.