The Management of the Soil
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In our eReader you can find the full English version of the book. Read The Management of the Soil Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Management of the Soil
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Conditions Necessary. In many places water is not available for irrigation. A hard impervious stratum between the first and the fifth foot in depth prevents the storage of moisture and the development of deep root- 38 THE MANAGEMENT OF THE SOIL systems, while a porous stratum of coarse gravel near the surface allows the water to percolate beyond the root zone, and thus some of it is wasted. Though wasteful of water, the porous stratum insures drainage and is to be preferred to the impervious st...ratum. An examination of samples of soil obtained at different depths by a soil auger (Fig. 27) will aid in determin- ing the character of the subsoil.
The character and depth of the soil should be considered.
Most of the soil in mountain valleys is extremely deep — sometimes a uniform depth of thirty to forty feet is found.
Sandy loams take irrigation well, but clay absorbs water slowly. It cannot be culti- vated when wet, and bakes and cracks open when it dries.
A uniform slope of ten to twenty feet to a mile and an even surface are desirable con- ditions.
What to read after The Management of the Soil?
You can find similar books in the "Read Also" column, or choose other free books by Caroline Ruth Jackson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Conditions Necessary. In many places water is not available for irrigation. A hard impervious stratum between the first and the fifth foot in depth prevents the storage of moisture and the development of deep root- 38 THE MANAGEMENT OF THE SOIL systems, while a porous stratum of coarse gravel near the surface allows the water to percolate beyond the root zone, and thus some of it is wasted. Though wasteful of water, the porous stratum insures drainage and is to be preferred to the impervious st...ratum. An examination of samples of soil obtained at different depths by a soil auger (Fig. 27) will aid in determin- ing the character of the subsoil.
The character and depth of the soil should be considered.
Most of the soil in mountain valleys is extremely deep — sometimes a uniform depth of thirty to forty feet is found.
Sandy loams take irrigation well, but clay absorbs water slowly. It cannot be culti- vated when wet, and bakes and cracks open when it dries.
A uniform slope of ten to twenty feet to a mile and an even surface are desirable con- ditions.
What to read after The Management of the Soil?
You can find similar books in the "Read Also" column, or choose other free books by Caroline Ruth Jackson to read onlineMoreLess
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