Unknown2018-10-052018-10-051945-08EPM-064-04-005http://hdl.handle.net/20.500.11867/141976 sheets 12 x 9 inch. Printed recto and verso. Front sheet stamped.Extension bulletin 338, done by the agricultural extension service of the institute of agricultural science at the State College of Washington, Pullman, Washington. Includes many charts of data, based on crop.AgricultureStatistical data