Gardening

The peat

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The peat

Peat is an organic compound that is created in the wetlands of the planet, such as lakes and marshes. Dying plants, fish and insects settle on the seabed, where in the absence of oxygen they cannot completely decompose. This creates a particular substance, which is widely used in the production of soil for gardening and agriculture, but also for other purposes. There are different types of peat, as the deposits tend to change their chemical composition over the years. Peat is therefore not a single product: there are different types, very different from each other. In areas where peat occurs naturally, deposits have been calculated to increase by about one millimeter per year; since there are areas with peat layers of several meters, it is clear that peat can be found that are several hundred years old, or even thousands.


The types of peat

Peat differs with a classification based on its color. In fact, in natural deposits it is easy to highlight the blond peat, with a very light color, with a darker peat, the one found at greater depth. The passing of the centuries tends to strongly modify the composition of the peat, both from a chemical and a physical point of view. In fact, it is possible to find peat with a very low pH, which contain minimal quantities of mineral salts, as well as some peat with a higher pH, rich in nutrients for plants. Among the most appreciated peat there is certainly the so-called sphagnum peat, produced by the decomposition of sphagnum, which is a kind of moss present in the wetlands of the whole planet. The different types of peat present in a soil are indicated on the package by an H, followed by a number: the higher this figure, the higher the age of the compound.

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