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  • 1
    Online-Ressource
    Online-Ressource
    Cham :Springer International Publishing :
    Schlagwort(e): Plants Development. ; Plants Evolution. ; Plant biotechnology. ; Plant physiology. ; Plant genetics. ; Agriculture. ; Plant Development. ; Plant Evolution. ; Plant Biotechnology. ; Plant Physiology. ; Plant Genetics. ; Agriculture.
    Beschreibung / Inhaltsverzeichnis: Preface -- Introduction -- 1. The Origin of Potato Production Systems -- 2. Potato Growth and Development -- 3. Variety Selection and Management -- 4. Seed Production and Certification -- 5. Field Selection, Crop Rotations & Soil Management -- 6. Alternative/Organic Management Systems -- 7. Seed and Planting Management -- 8. Nutrient Management -- 9. Disease Management -- 10. Nematode Management -- 11. Insect Pests and Their Management -- 12. Weed Management -- 13. Irrigation Management -- 14. Physiological Disorders -- 15. Tuber Quality -- 16. Harvest Management -- 17. Storage Management -- 18. Principles of Economics and Marketing -- 19. Cost of Production -- 20. Processing and Nutrition -- Index.
    Kurzfassung: This comprehensive guide to potato production systems management contains 20 chapters and more than 350 color photographs. Beginning with the history of potato culture, it spans all aspects of potato production, pest and planting management, storage, and marketing. Written by a team of over 35 scientists from North America, this book offers updated research-based information and serves as a unique, valuable tool for researchers, extension specialists, students, and farm managers. More than a description of principles, it contains practical analytical tools, charts, and methods to create guidelines for best production practices and cost estimates. Some key areas include: Potato Growth and Development, Potato Variety Selection and Management, Seed and Planting Management, Seed Production and Certification, Field Selection, Crop Rotation, and Soil Management, Integrated Pest Management for Potatoes, Potato Nutrient Management, Irrigation Management, Tuber Quality, Economics and Marketing, Production Costs, among others. Potato Production Systems should be a valuable reference for successful culture of the "noble tuber.".
    Materialart: Online-Ressource
    Seiten: IX, 635 p. 352 illus., 343 illus. in color. , online resource.
    Ausgabe: 1st ed. 2020.
    ISBN: 9783030391577
    DDC: 571.82
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Signatur: 2/N 02.0626 ; M 02.0624
    In: Schriftenreihe zur Geschichte der Versammlungen Deutscher Naturforscher und Ärzte
    Materialart: Monographie ausleihbar
    Seiten: 295 S.
    ISBN: 3804719554
    Serie: Schriftenreihe zur Geschichte der Versammlungen Deutscher Naturforscher und Ärzte 9
    Klassifikation:
    Wissenschaft
    Standort: Lesesaal
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Monographie ausleihbar
    Monographie ausleihbar
    Berlin : Reimer
    Dazugehörige Bände
    Signatur: MOP 36010
    In: Meteorologische Abhandlungen
    Materialart: Monographie ausleihbar
    Seiten: 90 S. : Ill., Kt.
    Serie: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 74,3
    Standort: MOP - Bitte bestellen
    Zweigbibliothek: GFZ Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 2020-10-19
    Beschreibung: The modern energy economy and environmental infrastructure rely on the flow of fluids through fractures in rock. Yet this flow cannot be imaged directly because rocks are opaque to most probes. Here we apply chattering dust, or chemically reactive grains of sucrose containing pockets of pressurized carbon dioxide, to study rock fractures. As a dust grain dissolves, the pockets burst and emit acoustic signals that are detected by distributed sets of external ultrasonic sensors that track the dust movement through fracture systems. The dust particles travel through locally varying fracture apertures with varying speeds and provide information about internal fracture geometry, flow paths and bottlenecks. Chattering dust particles have an advantage over chemical sensors because they do not need to be collected, and over passive tracers because the chattering dust delineates the transport path. The current laboratory work has potential to scale up to near-borehole applications in the field.
    Digitale ISSN: 2041-1723
    Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik
    Publiziert von Springer Nature
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Springer
    Pure and applied geophysics 131 (1989), S. 111-138 
    ISSN: 1420-9136
    Schlagwort(e): Fractals ; fractures ; fluid flow ; percolation ; rock mechanics ; geohydrology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Abstract The distributions of contact areas in single, natural fractures in quartz monzonite (Stripa granite) are found to have fractal dimensions which decrease fromD=2.00 to values nearD=1.96 as stress normal to the fractures is increased from 3 MPa up to 85 MPa. The effect of stress on fluid flow is studied in the same samples. Fluid transport through a fracture depends on two properties of the fracture void space geometry. the void aperture; and the tortuosity of the flow paths, determined through the distribution of contact area. Each of these quantities change under stress and contribute to changes observed in the flow rate. A general flow law is presented which separates these different effects. The effects of tortuosity on flow are largely governed by the proximity of the flow path distribution to a percolation threshold. A fractal model of correlated continuum percolation is presented which quantitatively reproduces the flow path geometries. The fractal dimension in this model is fit to the measured fractal dimensions of the flow systems to determine how far the flow systems are above the percolation threshold.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Springer
    Pure and applied geophysics 138 (1992), S. 679-706 
    ISSN: 1420-9136
    Schlagwort(e): Fractures ; fractals ; multifractals ; scaling ; percolation ; geohydrology ; rock mechanics ; permeability
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Abstract The distributions of contact area and void space in single fractures in granite rock have been determined experimentally by making metal casts of the void spaces between the fracture surfaces under normal loads. The resulting metal casts on 52 cm diameter core samples show a complex geometry for the flow paths through the fracture. This geometry is analyzed using finite-size scaling. The spanning probabilities and percolation probabilities of the metal casts are calculted as functions of observation scale. Under the highest stresses of 33 MPa and 85 MPa there is a significant size-dependence of the geometric flow properties for observation scales smaller than 2 mm. Based on this data, the macroscopic percolation properties of the extended fracture can be well represented by relatively small core samples, even under normal stresses larger than 33 MPa. The metal casts also have rich multifractal structure that changes with changing stress.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 73 (1998), S. 1041-1043 
    ISSN: 1077-3118
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: We demonstrate a laser-based adaptive ultrasonic homodyne receiver using dynamic holography in AlGaAs/GaAs photorefractive multiple quantum wells. The dynamic hologram acts as an adaptive beamsplitter that compensates wavefront distortions in the presence of speckle and requires no path-length stabilization. The photorefractive quantum wells have the unique ability to achieve maximum linear homodyne detection regardless of the value of the photorefractive phase shift by tuning the excitonic spectral phase. We achieve a root mean square noise-equivalent surface displacement of 6.7×10−7 Å(W/Hz)1/2. © 1998 American Institute of Physics.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    facet.materialart.
    Unbekannt
    In:  Geophys. Res. Lett., New York, Scientific American, vol. 19, no. 4, pp. 325-328, pp. B11404, (ISSN: 1340-4202)
    Publikationsdatum: 1992
    Schlagwort(e): Rock mechanics ; Fracture ; Frequency ; GRL
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Publikationsdatum: 1998-08-24
    Print ISSN: 0003-6951
    Digitale ISSN: 1077-3118
    Thema: Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Publikationsdatum: 2011-01-13
    Beschreibung: Hysteresis in the capillary pressure-saturation relationship (Pc–Sw) for a porous medium has contributions from the complex geometry of the pore network as well as the physical chemistry of the grain surfaces. To isolate the role of wettability on hysteresis, we fabricated microfluidic cells that contain a single wedge-shaped channel that simulates a single pore throat. Using confocal microscopy of the three-dimensional interfaces under imbibition and drainage, we demonstrate an accurate balance between mechanical work and surface free energy that was evaluated using measured advancing and receding contact angles. The closed-loop mechanical work per surface water molecule is 95 kJ/mol, which is consistent with physisorption. Therefore, the hysteresis in the Pc–Sw relationship for a single pore throat is defined by advancing and receding contact angles that are controlled by dissipative surface adsorption chemistry.
    Print ISSN: 0043-1397
    Digitale ISSN: 1944-7973
    Thema: Architektur, Bauingenieurwesen, Vermessung , Geographie
    Publiziert von Wiley im Namen von American Geophysical Union (AGU).
    Standort Signatur Erwartet Verfügbarkeit
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