'Soil water potential' diaporamas de présentation

Introduction to soil water relationships

1.33k views • 91 slides

Chapter 3: Adaptation to Aquatic and Terrestrial Environments

Chapter 3: Adaptation to Aquatic and Terrestrial Environments. Robert E. Ricklefs The Economy of Nature, Fifth Edition. Sperm whales: how do they dive to 500-2 km?. The Weddell Seal can dive to 500 meters depth and stay for up to 80 minutes. How?. Chapter Overview - Bottom Line.

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Chapter 3: Adaptation to Aquatic and Terrestrial Environments

Chapter 3: Adaptation to Aquatic and Terrestrial Environments. Robert E. Ricklefs The Economy of Nature, Fifth Edition. Chapter Overview - Basics. The physical world both provides the context for life and constrains its existence. A world of environmental factors...

491 views • 45 slides

WATER RELATIONS (Chapter 6)

WATER RELATIONS (Chapter 6). Terrestrial. Terrestrial. Fig. 6.20 in Molles 2013. Terrestrial. Fig. 6.1, 6.8 in Molles 2013. Aquatic. Aquatic. Figs. 6.27, 6.28 in Molles 2013. 23 o C. 23 o C. Water Saturation of Air. Saturation Water Vapor Density (g/m 3 )

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Soil physics

1.02k views • 42 slides

Grape Irrigation and Salinity

Cl - SO 4 =. Ca ++ Na +. Grape Irrigation and Salinity. K + Mg ++. HCO 3 - CO 3 =. Mike Kizer OSU Extension Irrigation Specialist. Salinity. All irrigation water will contain dissolved mineral salts. These salts can affect plant growth by: increasing the osmotic potential of the soil

1k views • 42 slides

Grape Irrigation and Salinity

Cl - SO 4 =. Ca ++ Na +. Grape Irrigation and Salinity. K + Mg ++. HCO 3 - CO 3 =. Mike Kizer OSU Extension Irrigation Specialist. Salinity. All irrigation water will contain dissolved mineral salts. These salts can affect plant growth by: increasing the osmotic potential of the soil

872 views • 42 slides

Field Capacity

Field Capacity. 1. Field capacity is the moisture content of a soil after it has been saturated with water and the excess water has drained away.

2.91k views • 35 slides

Hydraulic redistribution of soil water by roots in forests of the Pacific Northwest

Hydraulic redistribution of soil water by roots in forests of the Pacific Northwest. J. R. Brooks 1 , F. Meinzer 2 , J. Gregg 1 , T. Hinckley 3 R. Coulombe 4 1 Western Ecology Division U.S. EPA, 2 USDA Forest Service PNW Laboratory, 3 University of Washington, & 4 Dynamac Corp.

568 views • 34 slides

WATER RELATIONS (Chapter 6)

WATER RELATIONS (Chapter 6). Saltwater. Freshwater. 23 o C. 23 o C. Actual Water Content in Air. Saturation Water Vapor Density (g/m 3 ) Saturation Water Vapor Pressure (kPa). Fig. 6.2 in Molles 2008. Fractional of Saturation Water Content of Air I. Relative Humidity.

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Soil physics

823 views • 29 slides

Vincent Pelletier vincent.pelletier.8@ulaval

436 views • 18 slides