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Effect of Alnus glutinosa on hybrid populus growth and soil nitrogen concentration in a mixed plantationAuthor(s): Jeffrey O. Dawson; Edward A. Hansen
Source: In: Hansen, Edward A., ed. Intensive plantation culture: 12 years research. Gen. Tech. Rep. NC-91. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station: 29-34.
Publication Series: Other
Station: North Central Research Station
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DescriptionHeight growth of hybrid PopulusAlnus glutinosa stems differed significantly both spatially and with the Alnus/Populus mixture in a short-rotation intensively cultured mixed planting. Populus height growth comparable to that obtained from optimal rates of ammonium nitrate fertilization occurred where Alnus rows were directly adjacent to Populus rows and where Alnus comprised about 66% of the mix. Soil nitrogen concentration around Alnus was greatest where Populus rows were directly adjacent to Alnus rows. Results are consistent with speculation that stress on young Alnus induced by competition from more rapidly growing Populus resulted in rapid accretion of nitrogen in soil.
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CitationDawson, Jeffrey O.; Hansen, Edward A. 1983. Effect of Alnus glutinosa on hybrid populus growth and soil nitrogen concentration in a mixed plantation. In: Hansen, Edward A., ed. Intensive plantation culture: 12 years research. Gen. Tech. Rep. NC-91. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station: 29-34.
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