Lawn Soils

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U.S. Government Printing Office, 1911 - Lawns - 55 pages

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Page 12 - land could not be used for profitable agriculture. An investigation showed this property to be due to the organic matter in the soil, which was of such a nature that, when extracted, it had all the properties of a varnish, repelling water to an extreme degree. The soil, once freed of this
Page 19 - many soils contain larger particles, which if of small size are called " gravel" and if of larger size are called " stones," so that in the soil classification it is possible to have a gravelly sand,
Page 8 - of formation, alteration, and transposition are still at work. In other words, the soil in its entirety is not dead or inert, but endowed with functions analogous to those of life itself. In it take place the same processes of solution and deposition that have taken place in past ages, and are taking place to-day in the geologic processes connected with the action of
Page 2 - BUREAU OF SOILS. MILTON WHITNEY, Chief of Bureau. ALBERT G. RICE, Chief Clerk. SCIENTIFIC STAFF. FRANK K. CAMERON, in charge of Physical and Chemical Investigations.
Page 13 - Clay, silt, very fine sand, fine sand, medium sand, coarse sand, and fine gravel. The
Page 16 - 1, fine gravel; 2, coarse sand; 3, medium sand; 4, fine sand; 5, very fine sand; 6, silt; 7, clay.]
Page 14 - to obtain a good physical condition at the time the seed is started. Liming is often desirable to help loosen the texture and the plentiful incorporation of organic manure is almost a necessity. In very heavy clays it will often prove advantageous to incorporate a loam or sandy loam with the first few inches.
Page 44 - Had such simple precautions been followed in the past, poor public parks and lawns in public grounds, surrounding public buildings of all kinds, would not now be encountered. The remarks here made apply only to the last 4 feet or so of filling and not to cases where very deep fillings are made.
Page 12 - the proportions in which they are present in soils that has given rise to the different classes of agricultural soils, such as the clays, clay loams, sands, and sandy loams. This difference determines the texture of the soil. The texture is a particularly important factor in a successful lawn, as it has a very marked influence
Page 46 - are given the soil types, which in the States mentioned are prominent grass soils, and may, therefore, be suggestive of the kind of soil to be used in those localities where they occur. For a detailed description of these soil types, together with maps showing their location, the reader is referred to

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