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EFFECTS OF WEED CONTROL METHODS ON VEGETATION AND SOIL

CONTENT
  1. Effects of Chemical Control of Weeds on Vegetation and Soil
  2. Effects of Bush Burning on Vegetation and Soil
  3. Effects of Mechanical/Physical Control of Weeds on Vegetation and Soil
  4. Effects of Biological Control of Weeds on Vegetation and Soil
  5. Adverse Effects of Weeds/Problems Posed by Weeds in Agriculture/Economic Importance of Weeds
 

Effects of Chemical Control of Weeds on Vegetation and Soil

The following are the effects of chemical control of weeds on vegetation and soil:
  1. Herbicides can be poisonous to human beings.
  2. Beneficial organisms may be destroyed.
  3. Herbicides can pollute soil and ground water.
  4. Herbicides can contaminate livestock pasture thereby killing the animals that feed on them.
  5. Some herbicides, when used, can kill both good and unwanted plants and animals.
Lesson tags: Agricultural Science Lesson Notes, Agricultural Science Objective Questions, JSS1 Agricultural Science, JSS1 Agricultural Science Evaluation Questions, JSS1 Agricultural Science Evaluation Questions Third Term, JSS1 Agricultural Science Objective Questions, JSS1 Agricultural Science Objective Questions Third Term, JSS1 Agricultural Science Third Term
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