Explains water-quality issues related to excess phosphorus in surface waters. Provides specific ways for homeowners, commercial property managers, irrigated row crop growers, dryland farmers, ranchers, and confined animal feeding operators to reduce phosphorus loss to surface waters.
Describes impacts of nitrogen overfertilization and uneven irrigation on groundwater in Willamette Valley, Oregon. Recommends that mint crop growers use stem testing to gauge nitrogen needs more closely and advises growers on how to improve irrigation system efficiency.
Many farms will be required to go through some sort of Good Agricultural Practices (GAP) certification process in order to satisfy buyer demands or because they will be required to under the new Food Safety Modernization Act. ...
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
Northwest growers adopt sustainable agriculture practices and certification.
Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
There are probably few plants that are more strongly identified with this area or are held in greater affection than the madrone tree.
A new study by economists at Oregon State University questions the cost-effectiveness of biofuels and says they would barely reduce fossil fuel use and would likely increase greenhouse gas emissions.