Q: I have two pine trees I bought around Christmas a few years ago and l keep them in pots. This year I moved them and now they get late afternoon sun, morning shade. I noticed recently that the leaves are turning brown...
Q: We buy live Christmas trees and then plant them as a family tradition. I'm recommending the practice to others, and thought it a good idea to have a list of recommended varieties. Could we work up a short list of conifer candidates that are native to Oregon? Thank you!
Este video muestra cómo limpiar y desinfectar adecuadamente el equipo de campo. Los espectadores también entenderán las amenazas que el agua estancada y los animales representan para la seguridad de los alimentos.
Q: What do you recommend for keeping weeds at bay in planting beds? We'd like to stop using Round-Up. Our beds are too big and the weeds are too numerous to be able to keep up mechanically. Would a vinegar solution be harmful to the soil?
Q: How to treat powdery mildew on squash and cucumber plants? Most of our squash plants have powdery mildew. Some of the leaves have died and crumbled. We had same problem last year. I regret not removing all the infected ...
Learn more about viticulture and precision agriculture research to understand plant nutrition monitoring and management from table grape trials conducted in California's San Joaquin Valley.