'Wilting point' presentation slideshows

Tools for Practical Irrigation Scheduling

Tools for Practical Irrigation Scheduling. R. Troy Peters, Ph.D., P.E. Washington State University Irrigated Agriculture Research and Extension Center Prosser, WA. Irrigation Scheduling Everybody Wins!. Better Yields. Better Crop Quality. Use less water. Save power

535 views • 48 slides

Physiological ecology: the physical environment

Physiological ecology: the physical environment. Topics for this class: What is physiological ecology? Organisms interact with physical environment Exchange of materials, energy with environment studied as fluxes

1.97k views • 30 slides

Understanding Agronomy

Understanding Agronomy. Irrigation. Objectives. Describe the benefits of irrigation; Identify ways to determine the need for irrigation; Explain methods of water application; Describe irrigation scheduling; and Describe efficient use of water. Benefits of Irrigating.

442 views • 29 slides

Soil-Water-Plant Relationships A. Background 1. Holdridge Life Zones

Soil-Water-Plant Relationships A. Background 1. Holdridge Life Zones. 2. Average Annual Precipitation. 3. Arable Land - land that can be used for growing crops 4. Irrigation System Design Factors a. Water-holding capacity of a soil (root zone of the plant)

894 views • 25 slides

Soil Moisture Monitoring, Data, and Products in Nebraska

Soil Moisture Monitoring, Data, and Products in Nebraska. Eric Hunt, Brian Fuchs, Mark Svoboda National Drought Mitigation Center 3 March 2009. Nebraska AWDN stations. History of Nebraska Soil Moisture. Sensors installed at 14 sites beginning in 1998

245 views • 24 slides

Soil water content in soils

1.02k views • 23 slides

S2S Meeting, Feb. 4-6, 2013, Exeter, UK

321 views • 20 slides

Depth of Soil

Depth of Soil . What is Depth of Soil?. The thickness of soil layers which have favorable permeability What is permeability? The downward movement of water in soil. . http:// techalive.mtu.edu/meec/module06/Percolation.html. What to look for to Determine Depth of Soil. What grows in soil?

331 views • 14 slides

National Landcover Database (2006) More information at: http://www.mrlc.gov/nlcd06_data.php

National Landcover Database (2006) More information at: http://www.mrlc.gov/nlcd06_data.php. NLCD 33 category (1 sec). USGS 19 category (30 sec) . Addition of Playa, White Sand, and Lava categories for WRF modeling over military test ranges. How to change landuse.

292 views • 10 slides

Effects of the 2011 Texas Drought on Soil Moisture Capacity in the Somerville Watershed

Effects of the 2011 Texas Drought on Soil Moisture Capacity in the Somerville Watershed. Chris Ingenloff 22 November 2011. Agenda. Introduction Background Problem Definition Watershed Statistics Methodology Required Work. Introduction. Brazos River Basin Lake Somerville Watershed.

183 views • 9 slides

Soil Moisture Conditions

Soil Moisture Conditions. Saturation Field Capacity Wilting Point. Too Wet Ideal Too Dry No air space. Balance between No available air - water - soil. water. Waterlogging. No root development Water-logged soil. Ground line. Normal root zone.

387 views • 8 slides

Soil Moisture Conditions

Soil Moisture Conditions. Saturation Field Capacity Wilting Point. Too Wet Ideal Too Dry No air space. Balance between No available air - water - soil. water. Waterlogging. No root development Water-logged soil. Ground line. Normal root zone.

191 views • 8 slides

Soil Moisture Conditions

Soil Moisture Conditions. Saturation Field Capacity Wilting Point. Too Wet Ideal Too Dry No air space. Balance between No available air - water - soil. water. Waterlogging. No root development Water-logged soil. Ground line. Normal root zone.

334 views • 8 slides

Sensitivity of water-optimal root depth to precipitation constant rain frequency, variable mean depth co

Carbon Benefit and Cost of Roots. A = 2 x 10 -4 mm -1. A = 5 x 10 -5 mm -1. WUE Water-use efficiency [mmol C / cm 3 H 2 O] g r Root respiration rate [mmol C / g DM / day] r r Specific root density [g DM / cm of root length] RLD Root-length density [cm root length / cm 3 of soil]

141 views • 1 slides