What is topsoil? Okay, so let's start with a definition of topsoil. It's basically the upper layer of soil on a garden bed which can be as shallow as a couple of inches or as deep as a foot. This is measured from the very surface of the soil down to the first level of 'subsoil' which is usually more tightly packed with greater density. The topsoil is something which concerns gardeners in particular as this is the layer of soil where plants tend to reside and their roots flourish. So naturally, getting a good layer of topsoil with all the nutrients and vitamins needed to support healthy plant and flower growth can be extremely advantageous. You can commonly find some rather unsightly things in topsoil but they shouldn't put you off! Micro-organisms, insects, spiders and faeces are all part of the great cycle, and dramatically affect the quality of topsoil. What kinds of topsoil are there? Topsoil can come in many different guises, mainly with alternating colour, texture and even smell. There are, however, three main types of topsoil which you're likely to come into contact with when shopping around and researching. These are clay, sand and silt. Clay topsoil is rich in nutrients and a great place to grow large foliage but it doesn't drain very well because of its density so can be a poor choice in places with excessive rain or low geography. Clay topsoil should be used up high where possible with as much natural drainage as possible. Sand topsoil on the other hand drains extremely well but it barely holds any water at all and shouldn't be used exclusively on its own (most outlets will offer a blend). Lastly, Silt topsoil is made from quartz and is exceptionally smooth and nutrient rich and, while not perfect on its own, is an excellent soil to blend with. There you have a rundown of the various types of topsoil as well as a definition. If you're looking to grow your garden or get involved in some DIY landscaping then investing in topsoil is a great way to maximise your chances of success. Getting the blend just right is an advantage too, but many companies will take care of this part for you, advising you on the right blend for your type of garden. Remember to take a few notes with you when you go to do your research and good luck!
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