This step-by-step calculator will help you calculate the area you are planning to fertilize so you know the exact amount of fertilizer you need to apply. You may want to make yourself a sketch to help as you take the measurements and enter them here.
Step 1: Enter the Dimensions
First, picture the area you need to fertilize as a rectangle. (Don't worry about the areas within the rectangle that you are not going to fertilize — we'll take care of that in the next step.)
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