16 May 2018
Where Do Nutrients Go When You Irrigate
Fernandez, Thomas R. (Michigan State University)
This article covers irrigation management with an emphasis on nutrient retention. Prevent over-irrigation by understanding how water is held in containers. There are many links provided to assist you in skillful irrigation management.
15 May 2018
Removal of Paclobutrazol from Irrigation Water using Granular Activated Carbon
Grant, G.A., P. Fisher, J.E. Barret, and P.C. Wilson (University of Florida)
Paclobutrazol is a commonly used plant growth regulator for controlling plant height, which has biological activity in the parts per billion range and a half-life in water of over 6 months. Pesticides such as paclobutrazol have potential to accumulate in recaptured irrigation water over time. This recently published article outlines various experiments conducted at the University of Florida where irrigation water containing paclobutrazol was effectively removed using a laboratory-scale granular activated carbon (GAC) filtration system. There is potential that GAC can be used to remediate recaptured irrigation water for a range of agrichemicals relevant to the greenhouse and nursery industry.
6 Feb 2018
Water Quality Quest
Majsztrik, J. and Sarah A. White (Clemson University)
Is my water clean enough or will it harm my plants? The question is simple the answer is not. Activated carbon and membrane filters are tools worth considering if you recycle water or have problems with water quality. If you recycle water, routinely spray PGRs, or non-target crops at your operation are stunted or deformed, you may have residual chemicals in your recycled water that could be reducing plant quality and thus hurting your bottom line. Learn more about these filters, and how to keep your plants safe from disease and chemicals that may be spread through recycled irrigation water.