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Planting cover crops could help preserve healthy soil in fields that have been left empty this year because of flooding, according to a new article by Purdue agronomist Eileen Kladivko and Barry Fisher, Indiana state soil health specialist for the Natural Resources Conservation Service.
“These ‘prevented planting’ acres, while unfortunate for this year’s production, should be managed in ways to prevent further soil degradation and to increase soil productivity for next year,” the authors write. “Cover crops are an excellent option for producers to consider for protecting their soil and increasing productive capacity for succeeding years.”
Excessive rainfall, like much of the
In fields that are tilled to control weeds, soil nutrients can be lost through leaching.
“To rebuild productive capacity and improve soil health, growing a cover crop for the remainder of the season is crucial,” the authors say. “In fact, having something green and growing during the non-frozen times of the year is a key concept for improving soil health, decreasing nitrate leaching to drainage waters and improving water quality.”
The article includes sections on improving soil structure and biological activity in topsoil, increasing
There are also links to a number of additional resources that could help growers learn more about how to select and use cover crops.
To download the article, go to https://ag.purdue.edu/agry/extension/Documents/PreventedPlantingCovers2015.pdf
Source: Eileen Kladoviko, Purdue University
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