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Widtsoe, John Andreas, 1872-1952

"Dry-Farming : a System of Agriculture for Countries under a Low Rainfall"

The following table shows the yields
obtained from the year 1891, when the precipitation records were
first kept, to 1909:--
RECORD OF INDIAN HEAD EXPERIMENTAL FARM AND MOTHERWELL'S FARM,
SASKATCHEWAN, CANADA
Year Annual Bushels of Wheat Bushels of Wheat Bushels of Wheat
Rainfall per Acre per Acre per Acre
(Inches)+ Experimental Experimental Motherwell's Farm
Farm--Fallow Farm--Stubble
1891 14.03 35 32 30
1892 6.92 28 21 28
1893 10.11 35 22 34
1894 3.90 17 9 24
1895 12.28 41 22 26
1896 10.59 39 29 31
1897 14.62 33 26 35
1898 18.03 32 --- 27
1899 9.44 33 --- 33
1900 11.74 17 5 25
1901 20.22 49 38 51
1902 10.73 38 22 28
1903 15.


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