"Currently, an estimated 37% of all crops is lost annually to pests.
Fifty years ago, however, before introduction of most agricultural
chemicals, only 31% of all crops was lost. More interestingly,
losses to insects nearly doubled (from 7% to 13%) from the
1940s to the present, in spite of a more than ten-fold increase
in insecticide use (1)."
Pimentel, David. 1986. Pests and their control. p. 3-19. In:
CRC Handbook of Natural Pesticides: Methods. Volume I:
Theory, Practice, and Detection. CRC Press, Boca Raton, FL.
To Unsubscribe: Email email@example.com with the command
To Subscribe to Digest: Email firstname.lastname@example.org with the command
All messages to sanet-mg are archived at: