1. Irrigation Journal, Jan/Feb;Anonymous;Annual irrigation survey 1999,2000
2. Journal of Economic Entomology;Chalfant;Chemigation, or application of insecticide through overhead sprinkler irrigation systems, to manage insect pests affecting vegetable and agronomic crops,1982
3. Journal of Economic Entomology;Chalfant;Management of insect pests of broccoli, cowpeas, spinach, tomatoes and peanuts with chemigation by insecticides in oils, and reduction of watermelon virus 2 by chemigated oil,1984