Sir H. SAMUELasked the Minister of Agriculture what was the arable acreage and the number of agricultural workers in the years 1921, 1924 and 1930 in Norfolk, Suffolk, Lincolnshire and Cambridgeshire (Isle of Ely), taken together, and in the rest of England; and what was the average annual decrease per cent. in each case in the period 1921 to 1924 and in the period 1924 to 1930?