Topics in Subtropics

Nitrates are water soluble and do not adhere to soil, so they may leach during irrigation. California growers can download a new series of publications summarizing efficient nitrogen management practices from UC Agriculture and Natural Resources.

UC Ag Experts Talk: Managing Glyphosate-Resistant Weeds in Orchard Crops Description: One hour webinar about glyphosate-resistant weed management in orchards, delivered by Dr. Brad Hanson. One CEU (other) from the DPR is approved.

Plants lose water through their leaves and it's called transpiration. People lose water off their skin and it's called evaporation or sweating. When a plant stops losing water and when people cant produce enough sweat to cool off, both overheat.

Here's a nice little summary of the predicament California citrus finds itself in now - by David Karp by way of the LA Times. California farmers and scientists race to combat a citrus disease infecting trees Mar 29, 2019 | 8:25 a.m. | Riverside https://www.latimes.

Invasive Shot Hole Borer (ISHB) & Goldspotted Oak Borer (GSOB) Workshop Tree Care Professionals, Master Gardeners, Land Managers & Other Interested Parties Thursday, May 9th, 9:30 A.M. - 2:00 P.M.