AEA Plant Sap Analysis - Explainer Video

Starting in 2013, we began doing a lot of trialing with plant SAP analysis, which is the equivalent of a blood analysis for people. When we look at the SAP analysis data, we are able to see precisely which nutrients are deficient, which nutrients are in excess, and often do we find that it is actually the excesses that are creating the deficiencies. If you have excess of potassium, it will create a calcium deficiency, and you cannot fix the problem by putting on more calcium. The only way that we can manage that is by looking at the other nutrients that reduce that potassium's dominance. Manganese serves as a potassium regulator, and when a plant has adequate levels of manganese, it will tend to down regulate the surplus potassium and allow the calcium to flow into the fruit.