Do you know the difference between P and P2O5 or K and K2O? Understanding fertilizer forms can be key in interpretation of the peer reviewed literature and making decisions based on your own reports. Reminder: Fertilizer grade shows % N [...]
We often hear that someone has a low salt fertilizer that is liquid. Many people associate salt with table salt. However, we know fertilizers do not contain sodium chloride. So what is a liquid fertilizer low in salt and what [...]
Over the past year, our soil experts have added the Soil Health Assessment test. Soil health is the overlapping areas of the chemical, physical and biological properties of the soil. Previously, the chemical or nutrient status of the soil has [...]
Ward Laboratories uses soil test methods developed and calibrated by land grant universities. Standard methods are published in several manuals. We prefer to use standard methods that have performed well for many years. Soil pH & EC: We use a [...]