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Jewelweeds Impatiens pallida or
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Cinnamon Fern Osmunda cinnamomea
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Royal Fern Osmunda regalis
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Soft Rush Juncus effusus
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Frank's Sedge Carex frankii
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Fox Sedge Carex vulpinoidea
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Softstem Bulrush Scripus atrovirens
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Dark Green Rulrush Scripus validus
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Sweetshrub Clethra alnifolia or
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American Elderberry Sambucus canadensis
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Gray Dogwood Cornus racemosa
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Silky Dogwood Cornus amomum
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Stiff Dogwood Cornus foemina
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Deciduous Holly llex decidua
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Pin Oak Quercus palustris
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Swamp Chestnut Oak Quercus michauxii
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Cherrybark Oak Quercus pagoda
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Bur Oak Quercus macrocarpa
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Willow Oak Quercus phellos
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Swamp White Oak Quercus bicolor
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Shellbark Hickory Carya laciniosa
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American Elm Ulmus americana
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Zone 4: Riparian Fringe
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Common Name Scientific Name
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Eastern Gamagrass Tripsacum dactyloides
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Prairie Cordgrass Spartina pectinata
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Big Bluestem Andropogon gerardii
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Wild Rye Elymus virginicus
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New England Aster Aster novae-angliae
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Dense Blazingstar Liatris spicata
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Sweet Black-eyed Susan Rudbeckia subtomentosa
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Branched Coneflower Rudbeckia triloba
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Golden Alexanders Zizia aurea
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Ironweed Veronia altissima or
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False Dragonhead Physostegia virginiana
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Shrubs (shrubs listed in Zone 3 will work in addition to the
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Smooth Sumac Rhus glabra
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False Indigo Amorpha fruiticosa
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Trees (all the trees listed in Zone 3 will work in addition to
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Northern Red Oak Quercus rubra
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Shumard Oak Quercus shumardii
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Black Walnut Juglans nigra
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Red Elm Ulmus rubra
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Yellow Poplar Liriodendron tulipifera
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White Ash Fraxinus americana
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American Basswood Tilia americana
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American Hornbeam Carpinus caroliniana
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Eastern Hophornbeam Ostrya virginiana
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Downy Hawthorn Crataegus mollis
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Zone 5: Floodplain Terrrace and Zone 6: Upland Slopes
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For woody plants suitable for Zones 5 and 6 , ask your county Extension office for a copy of the publication, Trees, Shrubs, and Vines That Attract Wildlife.
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Figure 1.
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Landscaping zones in stormwater areas.
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Adapted from Wittans and Weiss, 1985, and Schueler, 1987.
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Zone 1: Deep Water Areas
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This is the wettest zone; these areas are permanently under one to eight feet of water.
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Plants in this zone require permanently saturated soils and are predominated by submergent aquatics and floating plants such as duckweed, water lotus, spadderdock, waterlily, and eelgrass.
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Zone 2: Shallow Water Areas
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This zone is permanently wet with an average water depth of less than one foot or semi-permanently inundated.
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Ecological communities typified by this zone include bottomland hardwood forests, wet prairies and marshes, seeps, ponds and sloughs, and the margins of lakes.
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Plants adapted to this zone prefer continuously wet soils and tolerate extended periods of flooding or inundation.
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Examples of plants would include cattails, rushes, burreed, sweet flag, copper iris, southern blue flag iris, and cinnamon fern.
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Zone 3: Pond Shoreline
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Plants in this zone must be tolerant of inundation during storms and exposure during dry periods.
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Vegetation that can be established here includes sedges, buttonbush, and cattail.
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Parts of the shoreline should be kept free of vegetation and maintained as mudflats or sandbars.
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Zone 4: Riparian Fringe Area
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Plants in this zone must be able to tolerate both wet and dry soil conditions and periodic inundation.
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Potential tree species include black willow, green ash, red maple, and sycamore.
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Zone 5: Floodplain Terrace
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This zone includes most of the pond embankments.
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Trees that grow in this zone prefer moist soil but can tolerate infrequent inundation.
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These species include silky dogwood, elderberry, and spicebush.
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When landscaping around the pond, avoid planting trees and shrubs on the embankment or along the dam because their roots can be destructive to the dam.
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In general, a pond designed for waterfowl has only about 50 percent of this zone planted with trees and shrubs.
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Zone 6: Upland Slopes
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This area is seldom inundated with water.
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Trees that can be planted here include chokeberry, elderberry, and dogwood.
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For woody plants suitable for Zones 5 and 6 , ask your county Extension office for a copy of the publication, Trees, Shrubs, and Vines That Attract Wildlife.
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For Scenario 4, an end gun was placed on the end of the corner extension.
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In this scenario the end gun functions only about 9 degrees out of each corner.
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The size of the end gun determines how much energy could be conserved if the pump impeller speed is adjusted based on the need of the center pivot.
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For Scenario 4 the energy cost savings when using a VFD averaged about $3.00 per hour.
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How Much Nitrogen is in My Irrigation Water?
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The amount of nitrate in water is measured as parts per million or milligrams per liter , these are the same measure for nitrate.
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Each ppm will add 0.227 pounds of nitrogen per acre with each inch of irrigation water applied.
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Dean E.
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Eisenhauer Derrel L.
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Martin Derek M.
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Heeren, General Editor Glenn J.
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Hoffman
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Dean E.
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Eisenhauer Derrel L.
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Martin Derek M.
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Heeren, General Editor Glenn J.
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Hoffman
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Copy editing and layout by Peg McCann Cover design by Melissa Miller Cover photos: Drip lateral, photo courtesy of Toro Lake McConaughy, photo courtesy of Steve Melvin, Nebraska Extension Weather station, canal, furrow irrigation in corn, and center pivot photos by the authors
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This work is licensed with a Creative Commons Attribution 4.0 International License
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The American Society of Agricultural and Biological Engineers is not responsible for statements and opinions advanced in its meetings or printed in its publications.
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They represent the views of the individual to whom they are credited and are not binding on the Society as a whole.
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