Some Considerations on Copper and Oil Sprays in Relation to Frost of 21 and 22 March Ahead for Northern and Central Virginia
Before the frost: There have been some questions regarding the last growth stage “window” to use copper and about the frost announced on coming Thursday and Friday, 21 and 22 March (visible in forecast now for Winchester / Fig. 1/, Timberville, and Tyro in Virginia). …