. Yearbook of agriculture . e wheat is grown will now be con-sidered. In Figure 22 the solid black spots indicate thoseareas where wheat occupied 80 per cent or more of theacreage of land in crops in 1919. Decreasing percentages areindicated by gradually lighter shadings. The areas containing a higli percentage of wheat (solidblack in Fig. 22) are seen to be the same, in a general way,as the areas of large wheat production, shown by the dots inFigure 21. On careful study it is seen, however, that thepercentage of wheat in the total of all crops is higher incertain areas, as, for instance, in M
. Yearbook of agriculture . e wheat is grown will now be con-sidered. In Figure 22 the solid black spots indicate thoseareas where wheat occupied 80 per cent or more of theacreage of land in crops in 1919. Decreasing percentages areindicated by gradually lighter shadings. The areas containing a higli percentage of wheat (solidblack in Fig. 22) are seen to be the same, in a general way,as the areas of large wheat production, shown by the dots inFigure 21. On careful study it is seen, however, that thepercentage of wheat in the total of all crops is higher incertain areas, as, for instance, in Montana, than the fre-quency of dots in Figure 21 would lead one to expect. Thisis because few other crops are grown, on account of climaticor other limiting factors, leaving only wheat to occupy theland. The choice made by farmers in different areas between thedifferent small-grain crops is shown in Figure 23. Themap shows the first and second choices in 1919, as indicated 98 Yearbook of the Department of Agriculture, Fig. ^l.—-SVheat occupies 80 per cent or more of the crop land in parts ofcentral western Kansas and eastern Oregon and Washington, and more than60 per cent in larger portions of the same States and of Montana, Nebraska,Oklahoma, and Texas. Wheat Produetion and Marketing. 99
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectagriculture, bookyear
