At Fort Hays, Kansas, the yield of wheat fol lowing wheat was 12.33 bushels, while following soybeans removed for grain the yield was 15.78 bushels per acre. At the Michigan Experiment Station, rye yielded 13 per cent more grain where s)ybeans had just been plowed under than where buckwheat had been plowed under. At the Massa chusetts Experiment Station, the stubble of soybean was decidedly inferior to that of red clover for soil improvement. [See page 21-11 As human food. —As human food the soybean has not come into general use in Europe and America, but it is extensively used for this pur pose in Japan, where soybean dishes supplement th r usual rice diet. Lang'-'orthy gives the method of preparation of a number of Japanese dishes ma le from soybeans, with analyses of each food. Gen Tally, the seeds are boiled for a long period and then subjected to fermentation.
Enemies.
The soybean is relatively free from insect in juries, The seeds are not eaten by weevils or other granary insects. Rabbits are the worst enemy of the young plants, and a sufficient area must be planted for both farmer and rabbits. The crop is not attacked by chinch-bugs, and insect enemies of the foliage are not numerous or seri ous. Garman (Kentucky Experiment Station, Re port 1902) lists the following insects as attacking the foliage in Kentucky, but apparently none of them has done serious harm : Grasshoppers, a red dish brown hairy caterpillar (Spilosoma Virginica), and grubs of a small beetle (Odontota sp.). He also found on the roots of a few plants the bean root-louse (Tychea phaseoli). Nematode root-worms
(lleferodera radieicola) next to rabbits constitute the principal animal enemy of the soybean on cer tain old sandy fields in the Gulf states.
Among vegetable parasites, the most serious pest of soybeans at Auburn, Alabama, is a sclero tium disease which forms white threads over the stem just below the ground and whitish to brown ish tiny, spherical masses clustered around the stem at the surface of the ground. The plant attacked by this disease is killed at any time between early growth and the period of pod formation.
Literature.
Alabama College Experiment Station, Bulletins Nos. 114 and 123; Alabama Canebrake Experi ment Station, Bulletin No. 20; Connecticut (Storrs) Experiment Station, Bulletin No. 22 ; Delaware Experiment Station, Bulletins Nos. GO and 61 ; Georgia Experiment Station, Bulletin No. 17 ; In diana Experiment Station, Bulletin No. 108; Kansas Experiment Station, Bulletins Nos. 18, 92, 100 and 123 ; Report 1889 ; Kentucky Experiment Station, Bulletins Nos. 98 and 125 ; Report 1902 ; Louisi ana Experiment Station, Bulletin No. 8 ; Massa chusetts Experiment Station, Bulletins Nos. 7 and 18; Michigan Experiment Station, Bulletins Nos. 224 and 227 ; North Carolina Experiment Station. Bulletin .No. 73; South Carolina Experiment Sta tion, Report 1889 ; Virginia Experiment Station, Bulletin No. 145 ; United States Department of Agriculture, Farmers' Bulletins Nos. 58 and 121.