If you are making use of a patch of land, then soil quality is of vital importance. Soil sampling tells you about everything from acidity to nutrient levels, allowing you to plan how you will treat it.
How to take a soil sample
A soil corer or auger can be used to extract samples, though you need to avoid collecting vegetation at the same time. It is generally best to cross a field in a “W” pattern to ensure a good distribution, with around 25 samples necessary for a reliable result. Depth and frequency depend on field usage.
Types of testing
The most common tests conducted on soil samples are for pH and lime levels, and for the amount of phosphorus, magnesium and potassium, all of which are essential nutrients when growing crops. You can also check soil texture, organic matter, and if there are heavy metals or other contaminants.
Soil sampling requirements
Soil sampling may also be a requirement when seeking membership of certain schemes, such as the Whole Farm Plan, or applying for a grant such as Preparing for Sustainable Farming.
What next?
Acidity, lime levels or deficiency in a certain nutrient may be remedied with the right choice of fertiliser. Contaminated soil may need treatment, alongside groundwater remediation such as that available from //soilfix.co.uk/services/groundwater-remediation. The aim is to create the best possible growing conditions.
Once you understand soil quality, you can decide which crops to plant, or whether you need to intervene to try to increase or decrease certain nutrient levels. This all starts with soil sampling.