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首页> 美国政府科技报告 >Ecological and Physiological Implications of Greenbelt Irrigation.
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Ecological and Physiological Implications of Greenbelt Irrigation.

机译：绿地灌溉的生态学和生理学意义。

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Secondary treated sewage effluent was applied to uncleared,brush cleared,and type converted grass plots in a mountain chaparral ecosystem. The objectives were to investigate effluent effects on vegetation types in the selection of suitable species for greenbelt establishment and to determine effluent renovation and nutrient recycling characteristics of vegetation types and mountain soils. Results indicated that native brush (Ceanothus Greggii) under 3 1/2inches per week irrigation had high fuel moisture but produced excessive growth. Under lesser irrigation,growth was reduced but fuel moisture levels were generally inadequate. Regrowth on brush cleared plots under the heavy irrigation was altered by mullein (Verbascum thapsus) proliferation. Introduced Alta fescue (Festuca arundinacea) flourished under high irrigation providing the best features of high fuel moisture with a low growing plant cover. Stream and well monitoring within and surrounding the application site showed no indication of water quality degradation or contamination.

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