Apply soil insecticide, replant. Wireworms are associated with fields previously in small grain or not in row crops. Avoid problem fields and use soil insecticide. Herbicide injury from residues carried over from previous crop, most often corn. Herbicide injury is fairly common as there are many possibilities for misuse.
Cold injury is very serious on cucumbers.
It is most likely to show up in low areas. Follow general management practices, replant. Fertilizer injury often occurs with banded fertilizer. Symptoms include poor stands, marginal foliar burning, and browning of roots. Adjust equipment properly, broadcast fertilizer according to soil test reports, reapply fertilizers if needed as determined by soil test or soluble salts.