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!