Crops Fertilizers Agronomy Tip: Evaluate Your Crop Fertility Program Improve plant health and increase yields by re-evaluating your crop fertility program. By Successful Farming Staff Successful Farming Staff The content on Agriculture.com is by created by trained journalists who have become subject-matter experts in their fields. You may see some content using the byline "Successful Farming Staff." The content is primarily from information or a press release provided by other entities – such as the USDA, a university, or agricultural company. The press release has been vetted and reviewed by a staff editor. The content is edited and changed to reflect the voice and style of Successful Farming. Successful Farming's Editorial Guidelines Published on September 30, 2019 Close Photo: Iowa State University "Proper crop nutrition is the foundation for high yields," says Jason Haegele, Agronomy Manager for WinField United. There are many resources available to help you identify the proper amounts of nutrients for a fertility program, but timing and source of nutrition can be just as important. "Build on your existing successes by using modern tools to identify and address the remaining barriers to continued gains in yields and nutrient use efficiency," recommends Haegele. "These include approaches like in-season soil sampling (late spring nitrate and wet soil potassium tests), tissue testing, crop modeling tools, and strategies to improve plant nutrient uptake (placement, equipment and fertilizer stabilizers)." Was this page helpful? Thanks for your feedback! Tell us why! Other Submit