G. — Plan of the Plots in Hoos Field, on which Potatoes were grrnvn without Ma/nure^ 



and with various Ma/nures. 

 26 years, 1876-1901. 



In 1902 and 1903 Barley, and in 1904 Oats, were sown, without manure, to determine 

 the duration of the residues of the previous manuring. In 1905 Barley was again sown on 

 Plots 1-4 without manure. Plots 5-10 sown with Leguminous seeds. 



Total area of ploughed land about 2xV acres. Area of each plot \ acre. 

 The double lines indicate division paths between plot and plot. 



c2 



