# How to Reduce Soil Alkalinity
Certain plant species thrive in alkaline soil, while others prefer acidity. Soil alkalinity is measured using pH. Neutral soil has a pH of 7.0. A pH above 7 is considered alkaline, while pH ratings below 7 are acidic. Soil testing kits available at most garden supply or home improvement stores. If your soil is too alkaline for your specific plants, it's important to correct the imbalance right away.
Things You'll Need
- Soil pH testing kit
- Peat moss
- Hoe or rototiller
Instructions
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1
Determine how much you want to lower the soil. A pH testing kit provides accurate alkalinity ratings, and gardening guidebooks let you know what alkalinity level is optimal for your plants. According to the book "1,001 Hints & Tips for Your Garden," most plants prefer soil pH between 6.0 and 6.5, but species vary.
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Measure peat moss based on how much you want to reduce alkalinity. Peat moss is acidic and will lower alkalinity levels. To lower your soil's alkalinity by 1 pH unit, you need to use 5 lbs. of peat moss per 100 square feet.
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3
Spread the pre-measured peat moss onto your soil. Work the moss into the first inch or two of soil, using the hoe or rototiller.
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