How to Fix Clay Vegetable Garden Soil
If you want to create a vegetable garden in an area with clay soil, you need to amend the soil before planting. Most vegetation cannot thrive in clay soil for a variety of reasons, including its poor drainage and low nutrient content. However, with a few easy steps you can turn the clay soil into a fertile environment for your vegetable garden. Does this Spark an idea?
Instructions
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Break up the soil with a garden hoe or tiller to a depth of 8 inches. If the soil is too hard, water the area and try again. If it is too wet, wait until it dries. Remove debris such as sticks and rocks.
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Test your soil with a soil testing kit to determine the nutrients it needs. You can purchase a kit from a garden center or take a soil sample to your local county extension office for testing.
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Layer 2 inches of organic matter, such as composted manure, over the area. Use the hoe or tiller to blend it into the soil to the full depth of the 8 inches. Add another layer of organic matter that has been blended with the type of needed fertilizer indicated by the soil test. Work it all the way into the soil. The amount of fertilizer to add depends upon the square footage of your garden space. Refer to the fertilizer manufacturing instructions for accuracy.
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Add a 3-inch layer of expanded shale to your soil to improve its drainage capabilities. Shale aerates clay soil, allowing it to absorb oxygen, nutrients and moisture more efficiently. Use the hoe or tiller to mix the shale throughout the 8 inches of loose soil.
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Tips & Warnings
You can substitute pea-sized gravel for the expanded shale.
Choose composted manure over fresh to avoid the unpleasant odor.
Do not add peat moss or sand to clay soil as this will make it too heavy.
Retest your soil each growing season prior to planting as the expanded shale reduces the need for fertilizer.
References
Resources
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