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Image from page 305 of "Soils, their properties and management" (1915) | by Internet Archive Book Images
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Image from page 305 of "Soils, their properties and management" (1915)

Title: Soils, their properties and management

Identifier: CUbiodiversity107798

Year: 1915 (1910s)

Authors: Lyon, T. L. (Thomas Lyttleton), 1869-1938; Fippin, Elmer O. (Elmer Otterbein), 1879-1949; Buckman, Harry Oliver, 1883-

Subjects: Soils

Publisher: New York, Macmillan

Contributing Library: Cornell University Library

Digitizing Sponsor: Mann Library, Cornell

 

 

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Text Appearing Before Image:

TEE CONTROL OF SOIL MOISTURE 281 been intertilled. Not only has the surface been kept well granulated, but the presence of optimum moisture below has allowed the granulating agents to become more active. The following of potatoes by corn is, at least partially, an attempt to take advantage of the better tilth of the soil with a crop that is particularly benefited thereby. Again, a mulch not only tends to allow a ready entrance of water into the soil, but at the same time increases the water-holding capacity — factors already emphasized in the discussion of control of losses by percolation and run-off. By keeping down w^eeds ^ another saving is effected, not only in moisture but also in plant-food. Some results from an experiment^ con- ducted at Cornell University serve to illustrate the re- lation of mulches and weeds to soil moisture and crop production in a humid region in a season of good rainfall. The crop grown was maize. Every third plot was a check and was given normal treatment: — Cheek plot Weeds removed, but not cultivated . Mulched with straw Check plot No cultivation; weeds allowed to grow One cultivation; weeds allowed to grow Cheek plot Yields Calctj- LATED TO Basis OF 100 ON Chjsck Plots

 

Text Appearing After Image:

Soil MorsTURE DURING August Pee Cent 21.1 18.2 25.0 18.2 9.8 17.0 17,7 1 Cates, J. S., and Cox, H. R. The Weed Factor in the Culti- vation of Corn. U. S. D. A., Bur. Plant Indus., Bui. 257. 1912. ^ Craig, C. E. The Cause of Injury to Maize by Weeds, Presented as a thesis for the degree of M. S. A., CorneE Uni- versity. Unpublished. June, 1908.

 

 

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