Published August 1998. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
The larvae, or “worms,” of sawflies resemble small, green caterpillars
that feed on the leaves of various plants. Although sawflies are
rarely an economically important problem in Oregon cereal crops, unusually large populations (300 larvae/10 sweeps) of one species, probably Pachynematus sp., were found in Umatilla County in 2003. The...
Mustard and rapeseeds (Brassica sp.) are native to the temperate regions of Europe. They were among the first domesticated crops. Mustard has been cultivated for at least 4,000 years as an oil, spice, and medicinal plant. It has been cultivated not only for seed, but also as a forage, green...
Flexible cropping systems allow for an opportunistic change in an established rotation. Plant-available soil water is the most reliable indicator of potential yield.
The successful production of hard wheat with acceptable protein is based, in part, on an effective nitrogen (N) management plan. This fact sheet discusses the principles of managing N
for hard wheat production and explains how to calculate an N application rate. The information contained in this fact
sheet is...
Homeowners have a multitude of options for pest control. This guide suggests ways to control garden pests using safe and ordinary household chemicals. The good news is that the ingredients needed can be found in your kitchen or medicine cabinet. Examples include baking soda, beer, vegetable oil, chile peppers, vinegar,...
Published February 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Correct identification of pest problems is the beginning of a successful
integrated pest management (IPM) program. Regular scouting can provide early warning of problems, allow the widest range of control options, and bring favorable economic, ecological, and social consequences.
The use of management units for soil testing and nutrient application is an
effective strategy to increase accuracy in monitoring and managing nitrogen (N), phosphorus (P), and other nutrients. A management unit can be a group of fields, a single field, or an area within a field. To measure changes...