Plaggen soil or plaggic

anthrosol An anthrosol (or anthropogenic soil) in the World Reference Base for Soil Resources (WRB) is a type of soil that has been formed or heavily modified due to long-term human activity, such as from irrigation, addition of organic waste or wet-field cul ...

is a type of soil created in parts of northwest Europe in the Middle Ages, as a result of so-called "plaggen" agriculture on marginal podzol soils. In order to fertilize the fields, pieces of heath or grass including roots and

humus In classical soil science, humus is the dark organic matter in soil that is formed by the decomposition of plant and animal matter. It is a kind of soil organic matter. It is rich in nutrients and retains moisture in the soil. Humus is the Lati ...

("plaggen") were cut and used as bedding for cattle or sheep. In springtime, this bedding, enriched with

slurry A slurry is a mixture of denser solids suspended in liquid, usually water. The most common use of slurry is as a means of transporting solids or separating minerals, the liquid being a carrier that is pumped on a device such as a centrifugal pu ...

was then spread over the fields near the village as manure. The long term practice of this form of agriculture created a rich agricultural soil to a depth of between 40 cm and over 1.50 m, unlike modern arable soils, which tend to be just 30 centimetres deep. The raised fields give rise to a typical landscape with sharp breaks in elevation and are called Plaggenesche in Germany or ''Es'' in Dutch. This form of agriculture stopped around 1900 with the introduction of fertilizers. In

Orkney Orkney (; sco, Orkney; on, Orkneyjar; nrn, Orknøjar), also known as the Orkney Islands, is an archipelago in the Northern Isles of Scotland, situated off the north coast of the island of Great Britain. Orkney is 10 miles (16 km) north ...

these soils were created already in the 12th to 13th centuries, and on some islands in

Shetland Shetland, also called the Shetland Islands and formerly Zetland, is a subarctic archipelago in Scotland lying between Orkney, the Faroe Islands and Norway. It is the northernmost region of the United Kingdom. The islands lie about to the no ...

these methods continued to be used until the 1960s. The Maori of New Zealand's agriculture included plaggen soil forming practices that increased drainage for

kumara Kumara may refer to: Places * Kumara (Mali), a province * Kumara, New Zealand, a town * Kumara (New Zealand electorate), a Parliamentary electorate Other uses * Kumara Illangasinghe, an Anglican bishop in Sri Lanka * Kumara (surname) * The Four ...

crops.

References

{{DEFAULTSORT:Plaggen Soil Soil science Types of soil