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.
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