ROTATION AND CULTURAL METHODS AT EDGELEY, N. DAK. 
11 
Eotation No. 5 is fallow, wheat, and oats. Eotation No. 8 is fal- 
The wheat on fallow in rotation No. 5 in 1910 
low, oats, and wheat 
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Fig. 2. — The fallow plat and wheat on fallowed land in rotation No. 5 at Edgeley, 
N. Dak., on July 26, 1910, showing an ideal condition of the fallow surface. The 
corn plat and wheat on disked corn ground in rotation No. 14 are in the immediate 
background. 
is shown in figure 2, The fallow plat is shown in ideal condition, a 
coarse granular mulch free from weeds. The oat crop on fallow in 
rotation No. 8 on the same date is shown in figure 3. 
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Fig. 3.— General view of the plats at Edgeley, N. Dak., on July 20, 1910. The fallow 
plat and oats on fallow in rotation No. 8 are in the foreground, rotation No. 10 in 
the first series of plats in the background, and rotation No. 16 in the second one. 
In 10 of the 13 years under study the wheat on fallow in rotation 
No. 5 has yielded more than the wheat in rotation No. 8. but in only 
four of these years has the yield been markedly better. In these four 
years the wheat on fallow averaged 26.1 bushels, and the wheat fol- 
