An interstate program to monitor corn rootworm populations in the Corn Belt shows adult beetles became more prevalent between 2016 and 2017. Hot spots for high beetle numbers centered in northern Iowa, with average field observations that exceeded...
Despite dry weather, Iowa produced near-record corn and soybean crops in 2017.
Corn Illustrated: This slideshow shows how one hybrid may suffer green snap while another hybrid right next to it may not.
Multiple management strategies include rotating crops, rotating Bt traits and planting refuge.