Pests and Pesticides. Since 1960: more food/acre Uses monoculture ; High-input farming Lots of water, pesticides and fertilizer Higher yield per acre. What’s the Green Revolution ?. Groundwater contamination Effects of low concentrations? Bioaccumulation and Biomagnification.
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Effects of low concentrations?
Bioaccumulation and BiomagnificationThe problem with chemicals
Intercropping – alternate rows of crops that have different pests
Planting pest-repellent crops
Mulch to control weeds
Natural insect predators – ladybugs, preying mantis, birds
Rotating crops to disrupt insect cycles
Using Pheromones to attract insects to traps
Releasing sterilized insectsParts of IPM