Topics in Subtropics

Lime-induced Iron Chlorosis: a nutritional challenge in the culture of several subtropical perennial crops in California Elizabeth Fichtner, UCCE Tulare County and Rachel Elkins, UCCE Lake and Mendocino Counties Spring, and new leaves are coming out, but this could, but yellow could be a sign of iro...

Invasive Ambrosia Beetle/Fusarium Complex A Public Meeting You are invited to attend a public meeting about the invasive ambrosia beetle/Fusarium complex that are threatening avocado, oak, sycamore, persimmon, and box elder trees in California.

Today I thought I'd share a recent research report on the the phenomenon of "enhanced" degradation of the herbicide simazine in citrus orchard soils. Click here for a link to the publication in the open-source journal, Air, Soil, and Water Research (Abit et al. 2012.

Thick, waxy coating on avocado leaves makes foliar nutrients difficult to abosorb. LTTLE EVIDENCE TO SUPPORT THE USE OF FOLIAR APPLIED NUTRIENTS IN AVOCADO Simon Newett, Extension Horticulturist.

Lettuce harvest Cal/OSHA HEAT ADVISORY When employees work in hot conditions, employers must take special precautions in order to prevent heat illness. Heat illness can progress to heat stroke and be fatal, especially when emergency treatment is delayed.