. Bacteriological studies of the soils of the Truckee-Carson Irrigation Project. Soil microbiology; Soils. / 18 SOILS OF THE TRUCKEE-CARSON IRRIGATION PROJECT. and sulphates, as well as the curve showing nitrification, should be so erratic and variable. Figure 13 shows the nitrifying power of samples from plats 280 and. Fig. 11.—Diagram showing the nitrification of ammonium sulphate in samples of soil from different depths from plats 240 and 250, Truckee-Carson Experiment Farm. Original nitrate present in samples from plat 240: Depth, 0 to 6 inches, parts per million; 6 to 12 inches, 8; 12
. Bacteriological studies of the soils of the Truckee-Carson Irrigation Project. Soil microbiology; Soils. / 18 SOILS OF THE TRUCKEE-CARSON IRRIGATION PROJECT. and sulphates, as well as the curve showing nitrification, should be so erratic and variable. Figure 13 shows the nitrifying power of samples from plats 280 and. Fig. 11.—Diagram showing the nitrification of ammonium sulphate in samples of soil from different depths from plats 240 and 250, Truckee-Carson Experiment Farm. Original nitrate present in samples from plat 240: Depth, 0 to 6 inches, parts per million; 6 to 12 inches, 8; 12 to 18 inches, ; 18 to 24 inches, 6; 24 to 36 inches, 5. From plat 250: Depth,' 0 to 6 inches, 28 parts per million; 6 to 12 inches, 48; 12 to 18 inches, 6; 18 to 24 inches, ; 24 to 36 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 Kellerman, Karl F. (Karl Frederic), 1879-1934; Allen, Edward Riley, 1884-; United States. Department of Agriculture; United States. Bureau of Plant Industry; United States. Government Printing Office. Washington : U. S. Dept. of Agriculture
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