Bulletin (Google eBook)

Front Cover
The Survey, 1913 - Geology
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Page 205 - September 21, and the average date of the last killing frost in the spring is May 14.
Page 142 - Figures 5 and 6 it will be observed that the average date of the last killing frost in the spring...
Page 77 - ... the heaviest rainfall, averaging 4.1 inches, while July averages 4 inches and 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 5 - Number Description Fine gravel Coarse sand Medium sand Fine sand Very fine sand Silt Clay...
Page 205 - May 1st, while the average date of the first killing frost in the fall is about October 10th.
Page 56 - The local distribution of rainfall varies, however, from year to year, some sections receiving more rainfall one year, and other sections more in other years. The variation is caused by the movement of cyclonic storms." The average rainfall for the entire state during the driest year was 21.4 inches and for the wettest year 37 inches. "Of equal importance in agriculture, to the total rainfall, is its seasonal distribution, and in this respect Wisconsin is unUsually fortunate, since about half of...
Page 118 - Description. Fine gravel. Coarse sand. Medium sand. Fine sand. Very fine sand. Silt. Clay.
Page 81 - Tbis map shows the average number of days between the last killing frost in the spring and the first in the fall for twelve years, 1899 to 1910.
Page 57 - Another phase of rainfall distribution of great importance is its variation within a period of a few weeks. Frequently periods of drought and periods of unusually heavy rainfall occur, continuing for one to four weeks and occasionally longer. Observations taken at Madison...
Page 27 - There is also some dangers of the young plants being damaged by the hot sun when the nurse crop is removed. The field intended for clover should be plowed in the fall, or as early as possible in the spring, and a top dressing of ground limestone applied at the rate of 2,000 pounds per acre. The field should be harrowed at short intervals to kill all weeds, and this harrowing should be kept up until about the middle of May. Fifteen pounds of seed per acre should be sown and covered to a depth of l^i;...

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