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.
Jun 2018 |
Article
Credit: Charlotte Ganskopp (Cropped from original)
Uneven grazing patterns on rangeland can lead to overuse of forage in some areas and no use or waste in areas not visited by cattle. Range improvements that promote more even grazing can increase pasture carrying capacity and...
In integrated pest management, biological controls might include predatory or parasitic insects, bacteria or fungi, and biopesticides. More and more biocontrol methods are becoming available to the home gardener.
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.
Mylen Bohle, David Hannaway, Andy Hulting, Karin Neff |
Apr 2018 |
Educational gallery