The Use Of Farm Chemicals
Overview
The chemicals that protect crops, herbicides, insecticides and fungicides, are powerful poisons. The very property that makes them kill weeds, pests and diseases also makes them dangerous to the farmer, to people nearby, to livestock and to the environment. Used carelessly they can poison the user, contaminate food and pollute rivers; used carefully they are safe and effective.
In this lesson you will learn how to handle farm chemicals safely from start to finish: the protective clothing to wear, how to dilute and mix correctly, the precautions to take before, during and after spraying, and how to clean equipment without polluting water. You will also learn why chemicals must be stored in a locked, well-ventilated store, kept in their labelled containers, and why toxic and flammable products need special care.
Objectives
- (a) explain the importance and methods of safe handling of farm chemicals, including the use of specifically designed protective clothing, correct dilution and mixing, precautions before, during and after application and avoidance of pollution when cleaning spraying equipment.
- (b) explain the importance of safe storage of farm chemicals to include chemicals that are toxic, (e.g. herbicides, insecticides and flammable, e.g. fuels).
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Lesson Evaluation
Congratulations on completing the lesson on The Use Of Farm Chemicals. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.
You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.
Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.
- Which item of protective clothing protects the user from breathing in spray? A. Rubber boots B. A face mask or respirator C. Overalls D. Gloves Answer: B
- A pesticide label says 20 mL per 10 L of water. How much concentrate is needed for a 10 L sprayer? A. 10 mL B. 20 mL C. 40 mL D. 200 mL Answer: B
- Why should a farmer not spray a pesticide into the wind? A. It saves chemical B. The spray may blow back onto the user or drift onto other areas C. It makes the spray stronger D. It is required by the label only Answer: B
- Farm chemicals should be stored in a store that is: A. Open and warm B. Locked, cool, dry and well-ventilated C. In the kitchen D. Next to the drinking water Answer: B
- Why should a sprayer not be washed out in a stream? A. It wastes water B. The rinsings contain chemical that would pollute the water C. It damages the sprayer D. Streams are too cold Answer: B
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