Iowa Corn, Soybeans: Sulfur Fertilizer Management Considerations Mar 27, 2020

🕔Mar 27, 2020
Significant sulfur (S) deficiency in Iowa crops was first documented about 15 years ago. First identified in alfalfa and then corn and soybean. Since then about 150 trials with corn […]

Iowa Corn: Spring Nitrogen Fertilization Considerations Mar 13, 2020

🕔Mar 13, 2020
Perhaps you did not get planned nitrogen (N) applications accomplished last fall. Or you are pondering what the spring 2020 weather conditions might be – another wet spring? Are you […]

Iowa: Fall Fertilizer Nitrogen Application Oct 30, 2019

🕔Oct 30, 2019
Fall nitrogen (N) fertilizer application continues to be popular for several reasons, including lower cost, time for application, equipment availability, often better soil conditions, and competing springtime field activities. Success, […]

Iowa Corn: Nutrient Removal When Harvesting Stover Sep 10, 2019

🕔Sep 10, 2019
Increasing demand to use corn plant biomass for producing energy and various products has spurred interest in harvesting corn stover and specific plant components in addition to grain. Harvesting more […]

Iowa Corn: Sampling for the End-of-Season Stalk Nitrate Test Sep 4, 2019

🕔Sep 4, 2019
Sampling corn stalks this fall will likely be later than normal due to the delayed planting in many Iowa cornfields. The overall suggestion is to wait until crop maturity, and […]

Iowa Corn, Soybeans: Tissue Testing Requires Cautious Use, Interpretation Jun 21, 2019

🕔Jun 21, 2019
In-season plant tissue testing can be useful in diagnosing nutrient deficiencies in field crops, but it must be used with caution. Extra care is needed this year given the unusual […]

Iowa Corn: UAN and Herbicide Applications on Emerged Crops Jun 11, 2019

🕔Jun 11, 2019
Corn planting has been start and stop, and generally delayed this spring. In some situations the decision was made to plant and not apply nitrogen, or planting progressed so quickly […]

Iowa Corn: Late-Spring Soil Nitrate Test Use in 2019 May 23, 2019

🕔May 23, 2019
Nitrogen (N) fertilization for this year’s Iowa corn crop has been complicated by frequent and sometimes excessive rainfall from late last fall through this spring. Many farmers who normally apply […]

DTN Retail Fertilizer: Anhydrous Ammonia Application – 4 Points – DTN Apr 12, 2019

🕔Apr 12, 2019
Average retail prices for the majority of fertilizers were slightly higher the first week of April 2019, according to retailers surveyed by DTN. This brings to an end a string […]

Iowa: Applying Flood Adulterated Grain as Crop Nutrients Apr 3, 2019

🕔Apr 3, 2019
Flooding has been extensive in several areas of Iowa this spring. In some cases, stored grain has been affected by flood waters. Land application of flood adulterated grain as a […]

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