362.T1 Model Agricultural Core Curriculum: Supplement University of California, Davis Weed Control Mechanical Weed Control Hand Pulling Hoeing Cultivating Burning Mowing Smothering with plastic mulches

362.T2 Model Agricultural Core Curriculum: Supplement University of California, Davis Weed Control Cultural Weed Control Crop rotation Use of weed-free crop seed Use of smother crops

362.T3 Model Agricultural Core Curriculum: Supplement University of California, Davis Weed Control Biological Weed Control The objective of biological control is to reduce weed populations, not eradicate them. Some natural enemies which are often used are Klamath Weed Beetles, Puncture Vine Beetles, & domestic geese.

362.T4 Model Agricultural Core Curriculum: Supplement University of California, Davis Weed Control Biological Weed Control ( cont’d. ) Animals in pasture.

362.T5 Model Agricultural Core Curriculum: Supplement University of California, Davis Weed Control Chemical Weed Control Herbicides are often used because they are inexpensive and effective when handled properly. If handled improperly, however, they may kill your crop and contaminate ground water.

362.T6 Model Agricultural Core Curriculum: Supplement University of California, Davis Weed Control Chemical Weed Control ( cont’d. ) Selective HerbicideNon-Selective Herbicide Kills only selected plants.Kills all plants where applied.