Major characteristics of extensive commercial food grain agriculture are the following:

1. This type of agriculture is done in extensive fields, normally their size is 240 – 1600 hectare. 

2. All the work related to agriculture right from preparing field to harvesting the crops is done by machines in which tractor, harvestor, thresher, combine and winnowar are used.

3. Wheat is the main crop of this type of agriculture. 

4. Big storehouses are used for food grains protection. 

5. Very less use of human labour is done in this agriculture. 

6. In this agriculture, there is less production per hectare, but high production per. person.

7. Temperate grassland areas of the world are the major regions of this type of agriculture. This type of agriculture is done in Steppes of Eurasia, Prairies of North America, Pampas of Argentina, Velds of South Africa, Downs of Australia and Canterbury grasslands of New Zealand. 

8. Agricultural area under this type of agriculture is continuously decreasing due to rapid growth in population. 

9. All the countries practicing this type of agriculture are developed. 

10.This agriculture is based on high technique and machinery.