Articles Tagged with ''yield''

Crop Insights: Nitrogen Fertilizer for Soybean?

Unlike corn, wheat and most other row crops grown in North America, soybean is able to obtain its own nitrogen (N) through the process of N fixation. N fixation is achieved through an intricate biological relationship between soybean and a particular species of soil bacteria, Bradyrhizobium japonicum. The bacteria obtain sugars from soybean to use as their energy source, and soybean obtains N from the bacteria.
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If You Had SDS, Sample For SCN

There were multiple reports of Sudden Death Syndrome (SDS) in soybeans this past year. The cooler, wet season helped promote the disease in susceptible varieties, but the presence of soybean cyst nematode (SCN) can also increase the effect of SDS.
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Study Challenges Soil Testing For K, Value Of KCl

In the chemical age of agriculture that began in the 1960s, potassium chloride (KCl), the common salt often referred to as potash, is widely used as a major fertilizer in the Corn Belt without regard to the huge soil reserves that were once recognized for their fundamental importance to soil fertility.
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Update To Iowa Phosphorus, Potassium And Lime Recommendations

This article highlights revisions to Iowa State University (ISU) soil-test interpretations and application guidelines for phosphorus (P), potassium (K) and lime in an update of extension publication PM 1688 "A General Guide for Crop Nutrient and Limestone Recommendations in Iowa."
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