This publication is a reference guide for forest soils productivity and management. Main topics include (1) understanding and managing risk, (2) soil characteristics that affect productivity, (3) soil survey information for forestland ...
Predicting Nitrogen Availability from Organic Amendments: laboratory, Field, and Computer Stimulation
A study to improve the ability to predict nitrogen availability from organic soil amendments, including improved accuracy of Nitrogen availability estimates, to target amendment application rates to meet crop N needs.
By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems.
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...
This publication outlines the role of forest organic debris in inland Northwest forests. Recommends how to maintain forest soil productivity and improve wildlife habitat while reducing wildfire and insect-pest hazards. Tells how to ...
Plant growth and geographic distribution are greatly affected by the environment. Either directly or indirectly, most plant problems are caused by environmental stress. Environmental factors that affect plant growth include light, temperature, water, humidity, and nutrition.
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Blueberries grow well in the Pacific Northwest. To get the most out of your bushes, it helps to understand the form and function of each part of the plant.
Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.