Use of soil insecticides to prevent excessive loss from soil insect damage is an accepted part of corn production. But needs vary from field to field on the same farm, and application methods and materials to use change, too.
Peters, D. G. and Gunderson, Harold
"What Future for Soil Insecticides?,"
Iowa Farm Science: Vol. 17
, Article 6.
Available at: https://lib.dr.iastate.edu/farmscience/vol17/iss10/6