The Plant Protection Laboratory (PPL) can test for soil fertility. The test provides information on pH and soluble salts. Both pH and soluble salts (salinity) are important in determining whether or not plants will grow. Soils with low soluble salts are generally safe for all plants and seedlings whereas very few plants will tolerate soils which are very saline.
Have your soil tested
To test your soil, you must provide a completed Soil Suitablity form.pdf .
Deliver a sample of soil or potting mix to be tested to the PPL. Please provide the equivalent amount of a filled Ziploc sandwich bag. Collect the sample from one to two inches below ground level in the area to be sampled. If more than one area is to be sampled ensure that one sample per bag is used and the bags are labelled.
- Soil fertility test: $35