Describe the main features of extensive commercial grain cultivation.

Explanation

Important features of Extensive Commercial Grain Agriculture are as follows:
(a) It is practised in the interior parts of semi-arid lands of the mid latitudes.
(b) To Wheat is the principal crop though other crops like corn, barley, oats and rye are also grown.
(c) The size of the farm is very large, therefore all the operations from ploughing to harvesting are mechanised.
(d) Yield per hectare is low but yield per person is high because less people and more machines are used.
(e) It is best developed in Eurasian steppes, the Canadian and American Prairies, the Pampas of Argentina, the Yields of South Africa, the Australian Downs and the Canterbury plains of New Zealand.