Sphagnum peat moss is often suggested as a soil amendment to decrease soil pH. However, most peat moss found in garden centers is neutral or slightly acidic. Only Canadian sphagnum peat moss has a low pH of 3.0 to 4.5 and will effectively reduce soil pH.Click to see full answer. Besides, how does peat moss affect pH?Peat moss will dramatically improve water absorption in sandy soils; it will improve air circulation in clay soils; and, it can improve the tilth of both sandy and clay soils. Peat Moss will usually lower the pH of garden soils, and can be helpful where the soil is too alkaline for the intended crop.Secondly, what does adding peat moss do to soil? Peat Moss Uses Gardeners use peat moss mainly as a soil amendment or ingredient in potting soil. It has an acid pH, so it’s ideal for acid loving plants, such as blueberries and camellias. It holds several times its weight in moisture, and releases the moisture to the plants roots as needed. Also to know, does peat moss make soil more acidic? The most common solution I’ve seen is to mix peat moss with the soil to produce an acidic environment. Peat moss is acidic so it makes sense that if you add some to your soil, the resulting soil will also be more acidic.What is the fastest way to lower pH in soil?If your soil is alkaline, you can lower your soil’s pH or make it more acidic by using several products. These include sphagnum peat, elemental sulfur, aluminum sulfate, iron sulfate, acidifying nitrogen, and organic mulches.
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