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.
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.
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.
Retaining walls are used for both commercial and residential purposes. They have gained popularity in a short period of time, becoming commonly used for landscaping projects around the home and for commercial landscapes as well.