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Harvest Loss

Crop loss is estimated at 37%

  • 13% to insects
  • 12% to plant pathogens
  • 12% to weeds

Pesticides can increase crop yields 1.3 to 12 fold and can decrease crop loss by 17-78%.

Worldwide harvest loss in five important crops.

(Amdur, Mary O., John Doull, and Curtis D. Klaassen. Toxicology, 1991, p. 567)

Thsi graph shows the number of species of insects, disease organisms, and weeds that are resistant to at least one pesticide.

(Chiras, Daniel D. Environmental Science, 1994, p. 436)

The pesticide-yeild cycle, leading to Integrated Pest Management.

(Jones, Julie Miller. Food Safety, 1995, p. 336)

Reasons for Crop Losses Despite Intensified Insecticide Use.

(Jones, Julie Miller. Food Safety, 1995, p. 343)

Methods Used to Control Pests Before Chemical Pesticides Were Developed.

(Jones, Julie Miller. Food Safety, 1995, p. 337)