After the asian soybean rust scare hit in autumn of 2004, many of us in the sprayer industry began advocating the use of twin flat fan nozzles to better treat the disease. It turns out we were wrong. By creating two spray patterns out of one, twin flat fan nozzles reduce the force of each spray by half, meaning there is not much force with which to penetrate the soybean canopy.

The Natural Resources Conservation Service now measures trends in soil organic matter and erosion with a recently developed formula known as RUSLE2, short for Revised Universal Soil Loss Equation, Version 2.