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acid condition alfalfa amount average depth barley black silt loam brown bushels Carrington silt loam chemical composition chiefly clover Clyde silt loam color contains corn cultivation dairy Dane County dark dark-brown deep phase Dodgeville silt loam erosion extent feet fertility glacial gravelly sandy loam green manuring heavy Knox silt loam legume light-colored lighter lime limestone loess-like Madison marsh land material Mazomanie Miami silt loam natural drainage nitrogen oats occurs organic matter outwash plains pasture peas Peat phosphorus poorly drained portion potassium rainfall region ridges rotation Rough stony land Rutland Township sandstone shallow phase silty clay loam slopes small areas small grain southwestern special crops stable manure steep stream terraces streams subsoil sugar beets Sugar River Sun Prairie surface soil texture tile timothy and clover Topography and drainage.—The tracts type of soil typical soil underlying rock upland soils usually valley Waukesha Waukesha silt loam Wisconsin River yellowish-brown yields
Page 2 - A report is also made, to accompany and explain the map, and this is based upon a careful study of the soils within the region surveyed, and upon such other features as have a direct bearing upon the agriculture of the area. It is the object of this survey to make an inventory of the soils of the State, and to be of practical help to farmers by locating and describing the different soils, by determining their physical character and chemical composition, and by offering suggestions for their management...
Page 14 - In the southern part of the county there are a number of drift covered ridges, among which may be mentioned the group in the northern part of Sec.
Page ii - FE WILLIAMS, Geologist, Geography and History. NATURAL HISTORY DIVISION: EDWARD A. BIRGE, In charge. CHANCEY JUDAY, Lake Survey. HA SCHUETTE, Chemist.
Page 82 - The following table gives the normal monthly, seasonal, and annual temperature and precipitation as recorded at the Weather Bureau station at Cortland, 1,112 feet above sea level.
Page 80 - May 3.9 inches. The precipitation during the winter, on the other hand is slight; December, January, and February each averaging from 1 to 1.5 inches of rain and melted snow. The average rainfall for the state during the winter is 3.9 inches, during spring 8.3 inches, during summer 11.4 inches and during autumn 7.4 inches.
Page 77 - ... and nitrogen content of the soil. About once during each rotation a moderate application of ground rock phosphate could be made to advantage. A rotation quite commonly practiced consists of corn, followed by a small grain crop, usually oats or barley, with which clover and timothy are seeded. Hay is cut for two years before the field is again plowed for corn. Mechanical analyses of Superior Loam.
Page 82 - The average date of the last killing frost in the spring is April 9, and the average date of the first killing frost in the fall is October 31.
Page 3 - ... texture. Thus we may have different kinds of clays, loams, sands, etc., and the class to which any soil will belong depends upon the size of the individual soil grains of which it is composed, and not upon its color, origin, topographic position, or agricultural value. SOIL CLASSES SOILS CONTAINING LESS THAN 20% SILT AND CLAY Coarse sand. — Over 25% fine gravel and coarse sand, and less than 50% of any other grade of sand. Sand. — Over 25% fine gravel, coarfc and medium sand, and less than...
Page 4 - The soils in this scries also have a wide range in texture. The name used for a soil series usually indicates the locality where that particular series was first recognized and mapped by the Soil Survey. By uniting the name of the soil class, which refers to texture, with the name of the soil series, which refers chiefly to origin, we get the soil type, which is the basis or unit of classifying and mapping soils.