. Bulletin of the Department of Agriculture. Agriculture; Agriculture -- United States. Fig. 1.—Effect of Vanillin on Wheat in Florida Sand. (No. 1, Soil untreated; No. 2, vanillin 100 p. p. m.; No. 3, vanillin 200 p. p. m.; No. 4, vanillin 300 p. p. m.; No. 5, vanillin 400 p. p. m.; No. 6, vanillin 500 p. p. m.). Fig. 2.—Effect of Vanillin on Wheat in Susquehanna Sandy Loam. (No. 1, Soil untreated; , vanillin 100 p. p. m.; No. 3, vanillin 200 p. , No. 4, vanillin 300 p. p. m.; No. 5, vanillin 100 p. p. m.; No. 6 vanillin 500 p. p. m.). Please note that these images are extracted
. Bulletin of the Department of Agriculture. Agriculture; Agriculture -- United States. Fig. 1.—Effect of Vanillin on Wheat in Florida Sand. (No. 1, Soil untreated; No. 2, vanillin 100 p. p. m.; No. 3, vanillin 200 p. p. m.; No. 4, vanillin 300 p. p. m.; No. 5, vanillin 400 p. p. m.; No. 6, vanillin 500 p. p. m.). Fig. 2.—Effect of Vanillin on Wheat in Susquehanna Sandy Loam. (No. 1, Soil untreated; , vanillin 100 p. p. m.; No. 3, vanillin 200 p. , No. 4, vanillin 300 p. p. m.; No. 5, vanillin 100 p. p. m.; No. 6 vanillin 500 p. p. m.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
