Soils. Miscellaneous papers: Soil bacteriology as factor in crop production, [by] K. F. Kellerman; New ornamental palmetto in southern Texas, [by] O. F. Cook; Commercial truck crops on Truckee-Carson project, [by] F. B. Headley and Vincent Fulkerson; Purple-leaved mutation in hemp, [by] L. H. Dewey; Tuber-unit method of seed-potato improvement, [by] William Stuart.

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