Item 13199 - Spraying potato fields

Item 13199 - Spraying potato fields
Contributed by Caribou Public Library
Item 13199
Spraying potato fields
Zoom
4899px x 2999px - 16.3"w x 10.0"h @ 300dpi  |  Need a larger size?
*Credit line must read: Collections of Caribou Public Library
Image Info

Spraying with soluble copper sulfate (Blue Vitrol) and insecticide helps keep insect pests and plant diseases under control to help produce a marketable potato crop.

Show Details