. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE. I BULLETIN No. 823 ^m Contribution Trom the Bureau of Plant Industry WM. Chief JZyiT'^^u Washington, D. C. PROFESSIONAL PAPER May 24, 1920 EXPERIMENTS WITH KHERSON AND SIXTY-DAY OATS. By C. W. Wakburton, Agronomist in Charge, and T. R. Stanton, Assistant Agronomist in Oat Investigations, Office of Cereal Investigations. CONTENTS. Scope of the investigations Sources of data History of Kherson and Sixty-Day oats Description of Kherson and Sixty-Day


. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE. I BULLETIN No. 823 ^m Contribution Trom the Bureau of Plant Industry WM. Chief JZyiT'^^u Washington, D. C. PROFESSIONAL PAPER May 24, 1920 EXPERIMENTS WITH KHERSON AND SIXTY-DAY OATS. By C. W. Wakburton, Agronomist in Charge, and T. R. Stanton, Assistant Agronomist in Oat Investigations, Office of Cereal Investigations. CONTENTS. Scope of the investigations Sources of data History of Kherson and Sixty-Day oats Description of Kherson and Sixty-Day data Varietal experiments in the eastern half of the United States Results in the North Atlantic States. Results in the east North-Central States Results in the west North-Central section Results in the lower Mississippi Val- ley 20 30 Experimental data—Continued. Varietal in the western half of the United States Results in the northern Great Plains area Results in the southern Great Plains area • Results in the western basin and coast areas Results under irrigation Summary of data General conclusions Yield of straw, bushel weight, and improve- ment data Literature cited 36 50 SCOPE OF THE INVESTIGATIONS. Extensive varietal experiments with Kherson and Sixty-Day oats have been conducted in the United States during the past 15 years. Prior to 1900 these varieties were practically unknown in this country, but to-day they are probably more generally grown than any of the older varieties. In this comparatively short time they have become widely distributed and are now of great commercial im- portance. The general popularity of these oats must be attributed largely to their early maturity and their ability to produce high yields. In sections where oats are grown primarily for market they have not met with favor because of their yellow color, but the small thin-hulled grains are highly regarded by farmers for feedmg. Varietal experiments including the Kherson and the


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