. Circular. Agriculture; Agriculture -- United States. 12 CIRCULAR NO. 120, BUREAU OF PLANT INDUSTRY. SUMMER FALLOWING. Three years' results have now been obtained from the tests in summer fallowing land for corn, oats, and cotton. As in 1911, the yields of crops on land summer-fallowed the previous season were generally low, corn yielding at the rate of bushels per acre, as compared with the average of bushels per acre on the 20 plats in the rotation experiments. The corn on the summer-fallowed plat yielded the lowest, save one, of any of the 26 plats. Cotton on summer-fallowed land
. Circular. Agriculture; Agriculture -- United States. 12 CIRCULAR NO. 120, BUREAU OF PLANT INDUSTRY. SUMMER FALLOWING. Three years' results have now been obtained from the tests in summer fallowing land for corn, oats, and cotton. As in 1911, the yields of crops on land summer-fallowed the previous season were generally low, corn yielding at the rate of bushels per acre, as compared with the average of bushels per acre on the 20 plats in the rotation experiments. The corn on the summer-fallowed plat yielded the lowest, save one, of any of the 26 plats. Cotton on summer-fallowed land yielded at the rate of 448 pounds of seed cotton per acre, as compared with an average of pounds per acre on the 25 plats of cotton, giving the lowest yield of the 25 Fig. i!.—Cotton on plat B 5-:!, land continuously cropped and not manured. This plat has yielded an average of 307 pounds of seed cotton per acre during the past three years. Compare with flsuro 4. (I'hotojiraphcd Juno 2G, lOli;.) Oats for grain on a fallowed plat yielded at the rate of 37 bushels per acre, the highest yield obtained from the 10 plats of oats. The average yield from 10 plats Avas bushels per acre. While the oats on summer-fallowed land yielded somewhat higher than the others, the increase was not sufficient to indicate that summer fallow- ing is a desirable practice under the conditions at San Antonio, even for oats. SUBSOILING. Subsoiling tests have been a rather important j)art of the rotation and tillage experiments. The results have been sunnnarized and pub- lished in Circular No. 114 of the Bureau of Plant Industry. [Cir. 120]. 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. Bureau of Plant Industry. Washington, D. C. : U. S. Dept. of Agriculture, Bureau of Plant Industry
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