Learn about the environmental factors that affect plant growth: light, temperature, water, humidity and nutrition. Either directly or indirectly, most plant problems are caused by environmental stress.
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.
A brief guide for anyone living near a vineyard to understand the damaging effects that common herbicides can have on grapevines. With the Oregon grape industry growing rapidly near urban boundaries throughout the ...
When producing cherries on productive rootstocks, orchardists must focus on reducing crop load and increasing vigor. This publication discusses how to use thinning cuts, stub cuts, and heading cuts to achieve these objectives. Includes step-by-step illustrated instructions.
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.
In recent years, cherry growers in the Pacific Northwest and elsewhere have embraced high-density systems that put twice as many trees in the same amount of space. Here's a look at how their efforts are working out.
Lynn Long, Tim Facteau, Roberto Nuñez-Elisea, Helen Cahn |
Jun 2018 |
Article
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.
Q: Once or twice a summer I treat my lawn with weed & feed and spray on weed killer for lawns. Is it safe to use compost made from the lawn clippings? How long should I reasonably wait to use clippings for compost, and is it safe to use the compost in my veggie garden the following summer?
Q: I'm composting on site and wondering how concerned I should be about adding the grass clippings. Is there a weed killer that I could use that is safe to compost for a food garden? I’ve been looking into a vinegar/dish soap mix.
Plants are essential to life on earth. Understanding how plants grow and develop helps us capitalize on their usefulness and make them part of our everyday lives.