Search Results for: zone irrigation

Yellowing Krymsk?

Posted on May 9 2017 by Dani Lightle

The continued saturation of tree root zones may lead to nutrient deficiency symptoms from reduced root activity. Sometimes these deficiencies are transient and symptoms resolve as the soil dries out and warms up. However, if the season progresses and the soils warm up but stay oversaturated, the symptoms may persist or trees may show the “yellowing Krymsk” problem. Continue reading →

Flooded Orchards, Part 2: Reflections on Past Flooding Events

Posted on April 14 2017 by Janine Hasey

Experiences with the 1986 and 1997 levee breaks in Yuba and Sutter Counties and other “high–water” events over the past thirty years afford us some expectations for the types and extents of tree damage that may result from orchard flooding in 2017. Here we reflect on the floods in 1986 and 1997 and considers ways in which specific conditions associated with those floods seemed to affect orchard outcomes. Continue reading →

The Latest on Managing Bot Canker and Blight in Walnut – 2016 Research Updates

Posted on April 11 2017 by Janine Hasey

Rainfall favors Botryosphaeria (Bot) and Phomopsis canker and blight of walnut when temperatures are over 50° F, so be alert to disease spread this spring and summer. Bot reduces yields by killing small fruit wood and large branches and directly infecting the nut. The focus of this article is on 2016 Bot research findings. Continue reading →