The acidity or alkalinity of the soil in which crops grow can influence how well they grow. We measure this characteristic with a pH scale. Each crop has its own ideal pH range. If you want to grow ...
Garrett Duyck, Elli Korthuis, Susan Kerr, Hannah Brause, Shilah Olson, Ellen Hammond |
Jan 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication discusses the many types of fertilizers and soil amendments available for organic plant production. Fertilizer formulations, nutrient availability, and application practices for common organic products are ...
Doug Collins, Carol A. Miles, Craig G. Cogger, Richard T. Koenig |
Jul 2013 |
Extension Catalog publicationPeer reviewed (Orange level)
The acidity or alkalinity of the soil in which crops grow can influence how well they grow. We measure this characteristic with a pH scale. Each crop has its own ideal pH range. If you want to grow healthy plants, it's...
Garrett Duyck, Elli Korthuis, Susan Kerr, Hannah Brause, Shilah Olson, Ellen Hammond |
Jan 2021 |
Podcast episodePeer reviewed (Gray level)
The acidity or alkalinity of the soil in which crops grow can influence how well they grow. We measure this characteristic with a pH scale. Each crop has its own ideal pH range. If you want to grow healthy plants, it's...
Garrett Duyck, Elli Korthuis, Susan Kerr, Hannah Brause, Shilah Olson, Ellen Hammond |
Jan 2021 |
Podcast episodePeer reviewed (Gray level)
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
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.
Degree-days measure the amount of heat accumulated over time. Researchers have used years of this data to develop models that help farmers and gardeners predict harvest dates and other important events in select ...
Nick Andrews, Leonard Coop, Heather Stoven, Heidi Noordijk, Aaron Heinrich |
Jan 2021 |
Extension Catalog publicationPeer reviewed (Orange level)