. Bulletin. 1901-13. Agriculture; Agriculture. 18 SOILS OF THE TRUCKEE-CARSON IRRIGATION PROJECT. aiul sulphates, as well as the curve showing nitrification, should he so erratic and variable. Figure 13 shows the nitrifying })ower of samples from plats 2S() and. Fig. U.—Diagram showing the nitrification of ammonium sulphate in samples of soil from different depths from plats 240 Jind 250, Tnickee-Carson Experiment Farm. Original nitrate present in samples from plat 240: Depth,.0 to Ginches, ( million; (i to 12 inches, 8; 12 to 18 inchas, ; IS to 24 inches, C; 24 to 30 inches, 5.
. Bulletin. 1901-13. Agriculture; Agriculture. 18 SOILS OF THE TRUCKEE-CARSON IRRIGATION PROJECT. aiul sulphates, as well as the curve showing nitrification, should he so erratic and variable. Figure 13 shows the nitrifying })ower of samples from plats 2S() and. Fig. U.—Diagram showing the nitrification of ammonium sulphate in samples of soil from different depths from plats 240 Jind 250, Tnickee-Carson Experiment Farm. Original nitrate present in samples from plat 240: Depth,.0 to Ginches, ( million; (i to 12 inches, 8; 12 to 18 inchas, ; IS to 24 inches, C; 24 to 30 inches, 5. From plat 250: Depth, 0 to 6 inches, 28 parts per million; C to 12 inches, 48; 12 to IS inches, (i; IS to 24 inches, ; 24 to 3() inches, 7. 290, located in an old alfalfa field just north of Fallon. These soils are very productive, and it was expected that they would show a greater nitrifying power than they did. This may possibly be 211. 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, Soils, and Agricultural Engineering. Washington Govt. Print. Off
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