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Scientific Farming Methods

Scientific Farming Methods. Why do the farmers use scientific farming methods?. To increase the productivity To solve the farming problems. Scientific farming methods need:. Money Technology Educated farmers. What are the scientific farming methods shown in the following slides?.

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Scientific Farming Methods

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  1. Scientific Farming Methods

  2. Why do the farmers use scientific farming methods? • To increase the productivity • To solve the farming problems

  3. Scientific farming methods need: • Money • Technology • Educated farmers

  4. What are the scientific farming methods shown in the following slides?

  5. Using machines • To replace labour • But it causes unemployment

  6. Using irrigation • To ensure water supply • But irrigation without a good drainage system may make the soil salty

  7. Adding chemical fertilizers • To improve the soil fertility • But it may cause food poisoning

  8. Using pesticides • To kill harmful pests • But it may cause water pollution if overuse

  9. Cutting terraces on hillslopes • Reclamation • To increase production •  a danger of over-cultivation & overgrazing •  soil erosion

  10. Growing crops in a greenhouse • To protect the crops from bad weather

  11. How to avoid the negative impacts of scientific farming methods?

  12. Do not overuse farmland • Do not open up poor land • Control population  less demand for food

  13. Practice organic farming • Do not use chemical fertilizers & pesticides • Grow chillies & spring onions http://www.producegreen.org.hk/english/frame_organic.htm

  14. Use a scarecrow to keep away birds • Practise soil conservation by fallowing, crop rotation

  15. Support organic farming • Buy more green products • Though they’re more expensive

  16. Moo… Moo… Bye!

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