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Home > Lifestyle, Hobbies and Home > Nature and the natural world: general interest > Root Development in the Grassland Formation; A Correlation of the Root Systems of Native Vegetation and Crop Plants
Root Development in the Grassland Formation; A Correlation of the Root Systems of Native Vegetation and Crop Plants

Root Development in the Grassland Formation; A Correlation of the Root Systems of Native Vegetation and Crop Plants


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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: ...before turning downward. The working depth is nearly 7 feet. The roots all branch profusely, the main laterals being mostly 0.2 to 0.5 foot in length. The ends of the roots are extremely well branched. Little difference was found in the root habit of these plants of the mixed prairies and those in the true prairie at Lincoln, except in greater depth of penetration. At PhiUipsburg some of the deeper roots reached a level of 8.7 feet, while at Lincoln 6.8 feet was the greatest depth recorded for high-prairie species, those in the low prairie having a root system of even lesser extent (p. 41). However, in the mellow loess soil of the subclimax prairie at Peru, Nebraska, root depths of over 9 feet were recorded. A 4-months-old specimen, grown in alluvial soil on a lowland area near Lincoln, is shown in plate 18, A. Artemisia filifolia.--The sand-sage is often a very important species in the structure of mixed-prairie vegetation in sandy areas. This is due both to its shrubby habit and its great abundance. It is indicative of a light type of soil with considerable moisture penetration. It rarely occurs on the more compact silt-loam soils. Two large specimens were examined on a fairly well-covered area on a sandhill. The root system is dominated by a strong tap-root (plate 19, A), from which arise great numbers of long, profusely branched laterals. One tap-root was traced to a depth of over 8 feet. The strong, vertically descending, woody tap-root tapers gradually and uniformly. Some of the larger branches had a lateral spread of 4 or 5 feet and reached depths of 4 to over 6 feet. Most of the branches, both large and small, originated in the surface 3 feet of soil, and with their profuse laterals formed an extensive absorbing system in the surface 3 or 4 feet of ...


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Product Details
  • ISBN-13: 9781231067147
  • Publisher: Rarebooksclub.com
  • Publisher Imprint: Rarebooksclub.com
  • Height: 246 mm
  • No of Pages: 62
  • Spine Width: 3 mm
  • Width: 189 mm
  • ISBN-10: 1231067144
  • Publisher Date: 01 May 2012
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Weight: 127 gr


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Root Development in the Grassland Formation; A Correlation of the Root Systems of Native Vegetation and Crop Plants
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