Topsoil - What Is It?
What is so important about topsoil? Nature provides your soil with all the nutrients it needs by using the surrounding elements in combination as food.
The debris that fall from the trees plants and animal waste, collect to form a mild compost (natures own).
Lets take a look at baron landscapes devoid of plant life.
The first thing that is usually missing is water.
Without water plant life does not exist, this immediately gives you an essential ingredient for topsoil.
Baron landscapes also will usually be devoid of foliage from other plant life, so you can take from this that the soil has no nutrient value; therefore we can refer to it as soil as opposed to topsoil.
Technically topsoil is the top layer of soil anywhere, but in horticultural terms it relates to quality material found in nutrient rich areas where plenty of other plant life exists.
There is a massive difference between topsoil and subsoil.
Subsoil can look very similar to topsoil but have hardly any of the nutrient availability of good quality topsoil.
OK so how do I tell topsoil from subsoil? Answer; read the report or the test results from the topsoil analysis or have it tested yourself.
You may also be able to tell topsoil from subsoil from a visual inspection.
Topsoil is usually a much darker colour from subsoil; this is a result of the decomposed material that is described in the above passage.
The topsoil is almost stained by the decomposition process and is the first main indicator for the presence of quality nutrient availability.
There may also be unrefined green waste in the material.
This is also a good sign.
Something else to remember is the moisture content found in the material, this can also be visually confirmed by physical examination.
Or you can ask a topsoil suppliers if you know one.
What else am I looking for in the topsoil report to give a good indication of quality? Well Ph ( this is the acidity level indicator ) and should be around the seven mark.
A PH7 is classed as neutral.
This next fact is important to remember " the lower the PH number the higher the acid level".
Yes that is right, and conversely the higher the PH value the acid level.
So don't' get these round the wrong way.
It is a little confusing but after while it will sink in.
Potassium is probably the next most important requirement for a good nutrient topsoil, this will also be indicated on the topsoil analysis and its availability will vary from sample to sample.
Of course one overlooked part of topsoil suppliers and its primary constituent is the granular material or dirt/earth as it is sometimes referred to.
Earth is a preferred expression in the scientific world as it refers to the primary make up of our planet.
Earth is a combination of rock, dust, plant, fossil that has been ground down over many millions of years.