Scientific Farming Methods. Why do the farmers use scientific farming methods? To increase the...
Transcript of Scientific Farming Methods. Why do the farmers use scientific farming methods? To increase the...
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?
• Using machines• To replace labour• But it causes unemployment
• Using irrigation• To ensure water supply• But irrigation without a good drainage
system may make the soil salty
• Adding chemical fertilizers• To improve the soil fertility• But it may cause food poisoning
• Using pesticides• To kill harmful pests• But it may cause water pollution if
overuse
• Cutting terraces on hillslopes• Reclamation• To increase production a danger of over-cultivation &
overgrazing soil erosion
• Growing crops in a greenhouse• To protect the crops from bad
weather
How to avoid the negative impacts of scientific farming
methods?
• Do not overuse farmland• Do not open up poor land• Control population less demand
for food
• Practice organic farming
• Do not use chemical fertilizers & pesticides
• Grow chillies & spring onions
http://www.producegreen.org.hk/english/frame_organic.htm
• Use a scarecrow to keep away birds
• Practise soil conservation by fallowing, crop rotation
• Support organic farming• Buy more green products• Though they’re more expensive
Moo…Moo… Bye!