The P1 and P2 tests are the standard Bray 1 – Bray 2 test. In many soils the difference in the P1 -P2 test can be considered as an Active Reserve of Phosphorus which becomes available as soils warm up increasing both bacterial activity and root growth.
We’ve compiled here a list of tests that might interest you based on your specific search.
We’ve compiled here a list of resources that might interest you based on your specific search.
This guide will reference if your corn plant nutrient uptake is within the normal ranges for the current stage of growth.READ MORE
Silicon has not been defined as an essential substance; it may have been overlooked as essential since it is difficult to have a growing situation without silicon present in either soil or hydroponically. For the complete story click the download link below.READ MORE
Midwest Labs will use distilled deionized water to measure pH on routine soil samples. Upon customer requests, we will run a salt pH by adding calcium chloride to the water.READ MORE