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Lime Requirement Buffer pH Update 2019

This fact sheet describes recent discrepancies between SMP and Sikora buffer pH lime requirement tests for western Oregon soils and provides recommendations for what to do. Many soil testing labs in the U.S. are switching from the SMP to the Sikora buffer test for lime requirement in an effort to reduce the use of carcinogenic chemicals in the procedure. Wide-scale testing ...

Nicole Anderson | Sep 2019 | Fact Sheet

Weed management for blueberry fields in the Pacific Northwest

Weeds are always a difficult problem in blueberry production! They start to show up shortly after transplanting, and tend to become more problematic as time goes on. There are, however, strategies that help to control weeds in blueberry. This article will discuss some thoughts about weed control in blueberry, and some of the strengths, and weaknesses, of currently registered herbicides.

Tim Miller | Mar 2015 | Article