Self-study activity:
Watch this The Economist video about a farming practice called No-till farming and say whether the statements below are true or false.
1 Food prices are very low these days.
2 Feeding the world depends on bugs and microorganisms to a large extent.
3 All farmers plough.
4 Ploughing causes a lot of soil erosion.
5 No-till farming is very common in Europe, especially in Britain.
6 No-till farming has failed both in Brazil and Australia.
7 In India farmers get an extra crop through no-till farming.
8 No-till farming is very expensive in Europe because of the need to use weed-killers.
9 No-till farming has advantages and disadvantages.
You can read a transcript here.