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Many farmers switching from corn to soybeans

A lot of farmers may be switching to soybeans because of the high cost of growing corn. USDA’s first estimate for corn acreage in 2015 came in at 89.2 million acres, down about 1.5 million from last year.

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Iowa's Corn Suitability Rating 2 equation updated

The equation for calculating Iowa’s Corn Suitability Ratings (CSR) was recently updated and designated Corn Suitability Rating 2 (CSR2). The updated equation provides every user an opportunity to calculate the rating for each soil map unit identified in Iowa.

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Genetic modification led to corn roots to be more N efficient

Genetic modification of maize over the last century has led to desirable shoot characteristics and increased yield - and that likely contributed to the evolution of root systems that are more efficient in acquiring nutrients, such as nitrogen, from the soil, according to a new study.

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