Food Supply & Modern Technology
Biology: Cambridge International GCSE Supplement, topic 20.1.1
Modern Technology
The following modern technologies have resulted in increased food production:

Agricultural machinery
- Agricultural machinery allows us to use larger areas of land and has improved efficiency.

Chemical fertilisers and insecticides
- Chemical fertilisers and insecticides have improved crop yields.

Herbicides
- Herbicides have reduced competition between crop plants and weeds.

Selective breeding
- Selective breeding has been used to improve production by crop plants and livestock.