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Directions for spraying potatoes to prevent blight and insects
Wisconsin College of Agriculture guidance for potato growers outlines spraying to control early blight and potato beetles. It covers timing, suitable varieties, materials and equipment, Bordeaux mixture preparation, mixing steps, testing, cost estimates for four applications on ten acres, and notes on combining Bordeaux with Paris green or arsenate of lead for beetle control.
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Ake
Wisconsin
New Yorker
Burbank