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Farm Progress Reports

Number

RFR-A1706

Farm

McNay Research and Demonstration Farm

Abstract

Cover crops are an important component of the Iowa Nutrient Reduction Strategy to improve Iowa’s water quality. To meet the goal of a 45 percent reduction in the total nitrogen and phosphorus loads, it is estimated the total number of acres planted to cover crops will need to be at a minimum of four million acres or equivalent to about 20 percent of Iowa’s row crop acres. This implies millions of acres may be seasonally available for grazing.

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