Problem: This graph from USA shows the loss/acre for different timings of herbicide application after emergence of corn and soybean crops. The message for corn producers from this graph is: Need Assignment Help? Select one: a. There is little value in monitoring corn crops for weeds immediately after emergence. b. Corn crops are not as sensitive to weeds in early crop stages as soybean crops. c. Corn crops need to be monitored for weeds during emergence. d. Monitoring of corn crops for weeds isn't useful once 3 weeks have passed since emergence.