Question

state the factors responsible for rapid increas of food grain production in 19th century

Answer 1

because during 19th century THE population get suddenly increased

Answer 2

The people of England started enclosing the land in the late 19th due to the following reasons:

From the mid-eighteenth century, the English population expanded rapidly which increased demand for food grains.

Due to industrialization urban population grew and the market for foodgrain increased.

Due to Anglo-French war by the end 18th century, trade and import of food grain from Europe disrupted which encouraged land owners to enclose lands in England.