Winter canola response to soil and fertilizer nitrogen in semiarid Mediterranean conditions

In the semiarid dryland wheat ( Triticum aestivum L.) region of the U.S. inland Pacific Northwest, winter canola (WC) ( Brassica napus L.) is an economically viable rotation crop. Winter canola produces marketable end‐products while improving soil health and disrupting pest and disease cycles. Although annual production of WC in Washington State has increased in the recent decade, little regional fertility research has been conducted. As a...