There are ways. Plant crops that are pest resistant. Some plants are very susceptible to pests, while others are not. Here are some suggestions. Healthy plants are more resistant to insects, just as healthy jungle animals are less likely to be eaten by predators.
Healthy plants come from terrific soil.
You can make your soil terrific by adding lots of compost and mulch. Mulch is a layer of natural material such as leaves that you add to the top of your soil. The soil is so fluffy now that I can dig in it with my fingers. For more information on compost, see our Compost Simplified and Compost F.A.Q. . See also the gardening books recommended at Garden Books .