Calcium is one of the forgotten minerals needed in soil composition. People focus primarily on nitrogen, phosphorous and potassium when fertilizing, but calcium is of equal importance. Calcium is responsible for cell division; without it, cells degenerate and are more prone to disease and even death. Limestone is the preferred way to add calcium to the soil. It is inexpensive and has a high percentage of calcium (46 percent) in it.
Instructions
1. Dig up a small soil sample in your garden. Have the soil tested by your local university extension office. This soil test will tell you how much calcium is in the soil, how much is optimal and how much to apply to get it to optimal range.
2. Pour granular limestone into broadcast spreader. Set the spreader to apply the limestone at the rate recommended by the university extension office.
3. Push the spreader across the garden to dispense the limestone. Overlap your paths just a few inches to ensure even coverage.
4. Test the soil yearly to ensure the proper levels of calcium are maintained in your soil.
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