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Colorful cover crop mixture

This is how the cover crop mix looked at one study site. From the same seed mixture, cover crop mixture expression varied greatly across farms and researchers hypothesized that this variation was correlated with soil inorganic nitrogen concentrations and growing days. Photo: Ebony Murrell, Penn State

 

Penn State researchers, in a recent study, were surprised to learn that they could take the exact same number of seeds from the same plants, put them in agricultural fields across the Mid-Atlantic region and get profoundly different stands of cover crops a few months later.

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Related Journal Article

Cover crop mixture expression is influenced by nitrogen availability and growing degree days