Despite a tenfold increase in the use of pesticides between 1947 and 1974 (in the US), crop losses due to pests have. . . remained at an estimated 33%. Losses due to insects alone have nearly doubled,. . . from 7% in the 1942-1951 period to about 13% in 1974.
A value strategy is of little use to the impatient investor since it usually takes time to pay off.