Ecuador

“place castor leaves in recently planted corn fields to reduce populations of a nocturnal tenebrionid beetle”

Altieri M.A., Farrell J.G., Hecht S.B., Liebman M., Magdoff F., Murphy B., Norgaard R.B., Sikor T.O. (1995) · Agroecology: The Science of Sustainable Agriculture · p. 121 #6492168

“infestations of Lepidoptera larvae in ripening corn ears were significantly higher in new varieties than in traditional ones”

Altieri M.A., Farrell J.G., Hecht S.B., Liebman M., Magdoff F., Murphy B., Norgaard R.B., Sikor T.O. (1995) · Agroecology: The Science of Sustainable Agriculture · p. 121 #6492159