. Fig. 31* Estimated percentages of loss due to crown rust of oa-ts in the United States in l'j2?, according to collaborators^ Throu.'^hout tho country as a whole more crown rust was reported during 1^22 than in the preceding year, although in Louisiana, Arkansas, and Texus the losses


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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1923