However, this is only true if your cedar mulch is not aged. Pine needles are notoriously believed to turn the soil acidic, but this is only true if they are green, while wood bark and clippings may have this effect – including cedar mulch! It is also important to check if the mulch you use changes the soil pH. Why?Įspecially if fresh, when it starts to decompose, it absorbs nitrogen from the soil… Later on, however, it may actually give nutrients to the soil as the composition process progresses. Stones are inert, for example, but the bark is only partly inert. Others, conversely, will have a low level of interaction. Mulch is not just cedar (or other trees) bark and shavings: anything that forms a layer of protection on the ground could count as mulch, even stones, gravel, cardboard, a blanket, or an old carpet.īut some materials are inert, which means that they never interact with the soil. Mulch is also used for decorative purposes this, I am sure you have seen with your own eyes.Mulch can act as a pest control method not all mulch is equal at this, and cedar mulch is actually the best.Mulch preserves the nutrients in the soil that very top layer of soil where microorganisms decompose organic matter needs protection from wind and dry weather and direct sunlight.Mulch is a way of controlling weed grasses find it hard to grow in the dark, and this blanket on top of the ground we call mulch is a cheap and permanent way of having fewer unwanted green guests in your garden.Winter mulching is in fact very common with plants that do not tolerate low temperatures. If the heat does not disperse into the atmosphere, your plants’ roots will be kept warmer and safer. In the soil, there are microorganism that work all the time, and they produce heat. Mulch keeps the soil temperature steady as it forms a barrier between the earth and the air, it keeps the soil’s temperature higher.This is why if you go to forward-looking organic gardens, even vegetable farms, you will find plants growing in beds of straw (mostly) or other mulch, especially in hot and dry countries.
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