9780792303428 - mechanics and related processes in structured agricultural soils (nato science series e:, 172, band 172) (4 Ergebnisse)
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Zustand: Good. 273 pp., hardcover, ex library else text clean and binding tight. - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country. Photos available…upon request.
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Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Agricultural soils are subjected to many applied mechanical stresses that influence their behavior. Stresses arise from tillage machines, seeders and chemicals applicators, tractors, and equipment for harvest and transport. Applied stresses may compact or l…oosen the bulk soil. Micro sections of soil (aggregates or clods) may be compacted during tillage while the bulk soil is loosened. Because most granular soils are combined into structural units of varying sizes with different strengths and properties, prediction of the effect of stresses on the behavior of bulk soils is difficult. The basic strength properties of soil are determined by many fac tors: the size distribution of particles, chemical and mineralogical properties of inorganic clay fraction, the organic matter content and composition, the water content and the stress history. These factors combine and interact to produce many possible behavior patterns. Changes in structure of the soil from applied stresses and biologi cal reactions may profoundly influence storage and transmission of water, heat, and air, and the mechanical resistance to penetration by plant roots. They may also affect the traction of vehicles. Manipulation of structural properties of soils by tillage implements is a major cost under most crop production systems. Reduced energy use is also a significant conservation objective. Improved management systems are very dependent upon a better understanding of soils' response to applied stresses. The content of this book resulted from a NATO Advanced Research Workshop held in St. Paul, Minnesota, U.S.A. September 13-16, 1988.
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Zustand: New. Proceedings of the NATO Advanced Research Workshop, St. Paul, Minnesota, USA, September 13-16, 1988 Editor(s): Larson, W. E.; etc. Series: NATO Science Series E. Num Pages: 282 pages, biography. BIC Classification: PN; RBGB. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension…: 235 x 155 x 17. Weight in Grams: 576. . 1989. Hardback. . . . . Books ship from the US and Ireland.
