Iowa Corn: Cold Spring, High Fertilizer Prices Make Starter Fertilizer More Important Apr 28, 2022

🕔Apr 28, 2022
The weather forecast for the rest of April suggests below average temperatures will be likely, which may result in corn planting on soils colder than optimum, which requires careful consideration. […]

Iowa Corn: Be Cautious of High Soil, Cornstalk Nitrate Levels This Fall Oct 15, 2021

🕔Oct 15, 2021
The 2021 cropping season had variable rainfall across Iowa. Since crop harvest began, rainfall also has been variable, and temperatures have generally been above normal. Therefore, it is not surprising […]

Iowa Soybeans: Northern Research Farm Field Day, Kanawha, June 23 Jun 18, 2021

🕔Jun 18, 2021
Micronutrients for soybean production, soybean cyst nematode management and white mold of soybean will highlight the summer field day at the Iowa State University Northern Research and Demonstration Farm near Kanawha. The […]

Iowa: Making Your Fertilizer Dollars Stretch as Prices Increase Mar 24, 2021

🕔Mar 24, 2021
Prices for soil fertility inputs have increased greatly in recent months. The bi-weekly “Iowa Production Cost Report” showed a 51% cost increase in anhydrous, a 31% increase for urea, 56% […]

Corn Damage: Recovering from the Derecho – DTN Aug 21, 2020

🕔Aug 21, 2020
It’s been more than a week since a derecho tore across Iowa as far east as Ohio, whipping through some cornfields with hurricane-strength winds. But for many farmers, the difficult […]

Iowa Corn, Soybeans: P and K Management Following Highly Variable Yields Oct 2, 2019

🕔Oct 2, 2019
Very variable weather this season will result in variable corn and soybean yield within and between fields. Entire fields or portions of fields were planted later than usual or were […]

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 Soybeans: Upper Leaves Showing Potassium Deficiency Aug 26, 2019

🕔Aug 26, 2019
Since early August, soybean in several fields began showing typical potassium (K) deficiency symptoms on leaves located in the middle to upper canopy. This is not surprising in fields or […]

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 […]

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