. Yearbook of agriculture . ms are, perhaps, our most drought-resistant crops. Theexpansion of acreage during the past two decades in the southern Great Plains areahas been extraordinary. From 1800 to 1000 the acreage in the United States increas«lfrom 266,000 to 1, or sixfold, and between 1000 and 1010 it more than which is practicallv confined to the Appalachian area and the Lake btates,has decreased slightly in acreage since 1009. It is peculiarly adapted to districts havingcool, moist summers and sour soils. . The velvet bean, grown as a forage crop, has increas
. Yearbook of agriculture . ms are, perhaps, our most drought-resistant crops. Theexpansion of acreage during the past two decades in the southern Great Plains areahas been extraordinary. From 1800 to 1000 the acreage in the United States increas«lfrom 266,000 to 1, or sixfold, and between 1000 and 1010 it more than which is practicallv confined to the Appalachian area and the Lake btates,has decreased slightly in acreage since 1009. It is peculiarly adapted to districts havingcool, moist summers and sour soils. . The velvet bean, grown as a forage crop, has increased greatly its acreage in tneSoutheastern States, where the boll weevil has discouraged cotton growers and awakenedinterest in live-stock nroduction. (See Figs. T2 and 81.) A Graphic Summary of Ameincan Agriculture. 445 ?£3 E?l?tMS«^^5 £ S S S S ^ S p S !£ 3 3 S!2 S°l UJ O >„t si 0 q: O m u. <T) 1- -i U LlI III < < UJ < q: < rr CO u 7) Q to Q Q O ii 2- «r a: o U) ^ LlI -) O T < ro CC cr u a. •^iWii ^ bJ S5sS5§sS; sS .^ liiisSsi =? b ; S^SS^^S 5S 1*^ -^ $ : ?r.^o? 5 ?< as UJ — aeoc^Lnoys — s = s ^o^pg-virt eg r-i — Q ?< RSi^tSJi <« 3 s liasgSSS ? i .si^il. o o s : ^iSSa;?zEJ! Fig. 36.—The sorghums are grown for forage much farther north than for grain ;while the sweet sorghums, which are not commonly grown for grain, are frequentlyused for forage far to the east in the Cotton Belt and the Com and Winter Wheatregions. The acreage of sorghums for forage is larger than the acreage for grain,especially in Kansas, where some sorghum is used for silage (see Fig. 25). It is in-teresting to note that the average yield per acre of sorghum forage was tons in1919, as compared with less than 1 ton per acre for corn in this area, and tons forcorn in the entire United States. The sorghums, apparently, yield more forage peracre in this semiarid area than corn in the humid regions. 446 Ycarboid- of the Department of Agriculture^ 1921. S
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectagriculture, bookyear
