EESC3310 Lecture Notes - Lecture 8: Tillage, Augmentative, Striga
25 Apr 2017
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Worldwide use of active pesticides: 5 billion lbs/yr. Us uses 1 billion of those active 5 billion (80% in ag, 12% in gov and industry, 3 lbs of active pesticide/person/yr in us. Applied higher to our high value crops than our field crops. Cali - 4 lb of active pesticide/person/yr. This rate increases for farmworks (bc they are applying it) Ecologically based pest control strategy which places maximum reliance on natural mortality factors such as natural enemies and weather and seeks out a combination of control strategies that disrupt these factors as little as possible. Uses chemical pesticides but only after systematic monitoring of pest populations and natural control factors indicates as needed. To sustain a tolerable pest status within a crop environment. What"s tolerable depends on the economic injury level (eil), the population density at which the cost to control the pest equals the amount of damage its inflict.
