What do we know about heavy metals in soil? What do we know about lead exposure through soil and garden plants? What do we know about cadmium and arsenic in soils? What can I do if I’m at risk for heavy metals in my garden soil?
Explains the relationship between high soil pH and nutrient deficiencies in blueberries, rhododendrons, azaleas, and other ornamental crops. Color photos illustrate symptoms of pH-induced nutrient deficiency. Presents ...
Donald A. Horneck, John M. Hart, Robert G. Stevens, Steven Petrie, James Altland |
Feb 2004 |
Extension Catalog publicationPeer reviewed (Orange level)
The study showed that the crop performed equally well with and without gypsum and nutritional samples of the hemp flowers did not indicate any problems by discontinuing applications.
Drought has become a fact of life for farmers throughout the West. For hemp growers, careful planning for where, when and what to plant can result in a crop that will thrive despite dry conditions.
Gordon B. Jones |
Jul 2022 |
Article
Photo: Oregon State University (Cropped from original)
From the myth of collapsing root balls to the myth of compost tea - learn the facts about a range of tips you may have heard through the years about healthy soil, pretty mulch, and more.
Choose the right containers, soil and plants to keep your flowerpots blooming all season long. When choosing plants for container gardening, go for "thrillers," "fillers" and "spillers."
The plants in the field trials were chosen by an advisory group of nursery growers and landscape designers and were evaluated on growth, visual appeal, timing of flowering, density of flowers, physiology and heat tolerance.
Hemp plants are susceptible to disease, especially at the early stages of development. Hemp growers can promote healthy plants by using high-quality seed and avoiding soil that is wet, dense or poorly drained.
Phytophthora species are water molds that can kill plants. They can spread undetected in container plants and equipment. Once they are introduced to an ecosystem, it's difficult or impossible to eradicate them. ...
Norma Kline, Marianne Elliott, Jennifer Parke, Dan Stark, David C. Shaw, Alicia Christiansen |
Jan 2022 |
Extension Catalog publicationPeer reviewed (Orange level)