5.1 Objectives

Learning Objectives

After completing this chapter, you will be able to:

• List 3 resources weeds and crops most commonly compete for.
• Explain the Law of Constant Final Yield and its application to cropping systems.
• Define interspecific and intraspecific competition. Define plasticity and mortality. Give examples of all 4.
• Explain Critical Period of Weed Competition (Critical Period of Weed Control).
• Define vocabulary words: interference, competition, plasticity, mortality