Some plants absorb excess nitrates or oxalates from the soil and store them in plant tissues. Toxicity problems can occur in animals which feed on these plants.
Differences between processed and organic fertilizers are explained in this article.
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.
Because of our typically wet springs in western Oregon, the average hay crop usually ends up being of low quality. However, when forage in the field is young and tender it is of high quality. As the forage matures, it ...