Agronomy Tip: Build a Plan Early for the Products You Need Aaron Burke, Director of Central U.S. Crops with Atticus Crop Protection recommends balancing the value of price opposite supply for crop protection products. “Instead of waiting to purchase late in the year, if you’re committed to certain products in your plan, communicate it to your retailer,” Burke says. “They can lift up the demand to the manufacturers and help ensure there is adequate supply in the future.” Harvest (October and November at the latest) is the best time to communicate your product needs to the retailer using the information about what worked and what didn’t.