Have a look at the mind map you can find clicking on the link below the picture .
DIFFERENT TYPES OF AGRICULTURE
Now it's time to learn how to write a consistent passage in English about agriculture.
Click on the link, and do the exercise: https://drive.google.com/file/d/0B0uLJbBbnQx6X0JhRHYyeFA0OWc/view?usp=sharing