Oregon State University researchers are working with the People’s Republic of China on development of a web-based Geographic Information System (GIS) mapping tool to help land managers find ways to control massive soil erosion in China.
Today, turfgrass is the single largest irrigated crop in the United States and covers three times the land area of any other cultivated crop. An estimated 40.5 million acres of grasses are planted in residential, commercial and...
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.
A guide for how to collect and where to get a sample analyzed for plant diseases.