Water quality and pesticide performance

This is a useful reference from Purdue Extension on water that goes into the spray tank. From the guide: "Water often comprises ninety-five percent (or more) of the spray solution. What affect might it have on product performance? Research clearly shows that the quality of water used for spraying can affect how pesticides perform. Its… Continue reading Water quality and pesticide performance

How to Save 60% or More in Turfgrass Fertilizer Cost

Some recent events have prompted me to consider fertilizer cost. These include discussions with golf course superintendents, blog posts by Jason Haines in which he describes how he reduced fertilizer costs by 60% and how he can fertilize greens for $25/acre/month, and this advertisement for fertilizer in Thailand, offered at a price of ONLY 38,400… Continue reading How to Save 60% or More in Turfgrass Fertilizer Cost

Handheld or Backpack Sprayer Calibration

A session during a recent seminar at Indonesia was devoted to sprayer calibration, and particular attention was given to the calibration of large, riding sprayers. Backpack sprayers are often used in Asia, and these sprayers also require accurate calibration to avoid misapplications such as we see in this photo. An excellent guide to hand sprayer… Continue reading Handheld or Backpack Sprayer Calibration

Nozzle Selection for Spraying Pesticides and Fertilizer

One of the topics I will discuss at next week's Sustainable Turfgrass Management in Asia 2010 seminar is nozzle selection, spray droplet size, and water volume. Depending on the product (fertilizer? herbicide? fungicide?) being applied, its mode of action, and the reason for the application, one can choose the nozzle type that will produce the… Continue reading Nozzle Selection for Spraying Pesticides and Fertilizer