Iowa State University Extension says a buildup of SCN numbers can go unrecognized because a soybean crop often doesn't appear stressed above ground, even though yield loss is occurring.
Although there are many SCN-resistant varieties available for soybean farmers, almost all contain resistance genes from a single soybean breeding line, says Iowa State University Extension's Greg Tylka.
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On this episode of Conservation Ag Update, brought to you by Martin-Till, Brian and Darren Hefty, fourth-generation farmers and hosts of Ag PhD, share tips for treating tar spot in corn.
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