Which of the following are types of intensive subsistence agriculture:

1. Intensive subsistence agriculture dominated by wet paddy cultivation

2. Intensive subsidence agriculture dominated by maize cultivation

3. Intensive subsidence agriculture dominated by crops other than paddy

4. Extensive subsistence agriculture dominated by wet paddy cultivation

Only 1 and 3

There are two types of intensive subsistence agriculture:

(i) Intensive subsistence agriculture dominated by wet paddy cultivation

(ii) Intensive subsidence agriculture dominated by crops other than paddy