Economic importance of weeds
Agriculture · Grade 10 · about 40 minutes
How weeds cost a Kenyan household yield, labour and livestock, and the few uses that still do not make a weed welcome in the crop row.
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- 8 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Meaning and importance of crop protection
- Identifying weeds in a crop field
- Classifying weeds by morphology and life cycle
- Economic importance of weeds
- Physical and mechanical weed control
- Cultural and legislative weed control
- Chemical and biological weed control
- Insect pests of maize, tomato and kale
- Diseases of maize, tomato and kale
- Cultural and physical pest and disease control
- Biological control of crop pests
- Chemical control and pesticide safety
- Integrated pest management
- Protecting maize, tomato and kale