SmartStax® provides the most advanced hybrid stack of herbicide tolerance and insect protection traits against European Corn Borer, Black Cutworm and Corn Rootworm. The 5% non-Bt refuge corn is blended in every bag. Just fill the planter and go for convenient refuge compliance. Roundup Ready® Corn 2 Technology and LibertyLink® System tolerant. Hybrids with the SmartStax® trait should be the number one choice for corn on corn acres.