A soil nitrate test measures the concentration of nitrate in the soil at a specific moment in time, including nitrate originating from organic inputs, fertilizer, and soil organic matter. This publication describes how to use ...
This publication discusses the many types of fertilizers and soil amendments available for organic plant production. Fertilizer formulations, nutrient availability, and application practices for common organic products are also explained. ...
A look at the cost effectiveness of liming coastal ryegrass pastures.
Lorin Grigg grows onions and sweet corn under sprinkler irrigation in Quincy, Washington. In this publication, Grigg discusses his strategy for cover cropping to protect seedlings from windblown sand and reduce wind erosion.
This publication reflects over 30 years of vegetable production research conducted in the Willamette Valley. It is divided into three main sections: sustainable soil health; soil testing and nutrient management; and nitrogen ...
This full-color illustrated guide for optimizing alfalfa production according to the growing conditions common throughout Idaho and east of the Cascades in Oregon and Washington provides specific recommendations for all critical nutrients.
Wait until your soil warms up about 70 degrees to plant cucumbers.
Plant spinach when soil is cool, then other heat-tolerant greens in the summer.
Based on soil test results, recommends amounts of fertilizer and lime needed for orchardgrass seed in western Oregon.
Based on soil test results, recommends amounts of fertilizer and lime needed for crimson clover, vetch, and field peas in western Oregon.