Anhydrous Ammonia – How Do in Soil Applications Work?

🕔Mar 19, 2019What happens when anhydrous ammonia is injected into soil? Several physical and chemical reactions take place following anhydrous ammonia injection: dissolution in water, reaction with soil organic matter and clay, […]

Corn Hybrids – What’s the Difference in 1960s Choices and Now?

🕔Feb 6, 2019You’d think that 70 plus years after our predecessors had a basic understanding of corn development we’d understand it completely. Not true! For example, we know that hybrid productivity has increased […]

Iowa: Soil Fertility Short Course, Ames, Feb. 19-20

🕔Jan 15, 2019Making sound soil fertility management decisions is an important part of successful crop production, on both an economic and environmental level. Iowa State University Extension and Outreach will be offering […]

Iowa Corn: Nitrogen – Preplant vs. Sidedress in a Late Spring

🕔Apr 18, 2018Winter seems to be never ending, and spring not arriving. This could lead to a compressed period for field work before corn planting begins. There are conversations underway about switching […]

Corn Nitrogen Rate Calculator Website Updated for 2018

🕔Mar 28, 2018The regional Corn Nitrogen Rate Calculator (CNRC) website was recently updated with a revised Iowa N response trial database. The changes to the suggested N rates in Iowa are small […]

Iowa Corn: Nitrogen Considerations with Dry Conditions in 2017

🕔Aug 31, 2017The dry conditions in some areas of Iowa in 2017 have raised several soil fertility questions. In some cases, there has been relatively normal crop production and no need for […]

Iowa Corn, Soybeans: Managing Phosphorus, Potassium, and pH Following Drought

🕔Aug 23, 2017Dry conditions this summer in some parts of Iowa will result in low and variable crop yield. Low or variable crop growth and yield significantly affect phosphorus (P) and potassium […]

Corn: Splitting Nitrogen Applications – The Right Balance – DTN

🕔Sep 1, 2016Scientists will tell you any applied nitrogen regardless of form and time applied is vulnerable to loss. Soil can’t naturally hold any in reserve unless it’s in the organic form. […]

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