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Soil variation and sampling intensity under red pine and aspen in Minnesota.Author(s): David H. Alban
Source: Research Paper NC-106. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Publication Series: Research Paper (RP)
Station: North Central Research Station
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DescriptionIn red pine or aspen stands only two soil samples were needed to estimate (+/- 10%, 95% confidence) pH, bulk density, or sand, but 25 to 60 samples were required to estimate N, P, K, Ca, Mg, available water, or silt + clay. To estimate most forest floor properties required 30 to 50 samples in red pine stands, but only about half as many in aspen stands.
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CitationAlban, David H. 1974. Soil variation and sampling intensity under red pine and aspen in Minnesota. Research Paper NC-106. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
KeywordsPinus resinosa, Populus tremuloides, red pine, aspen, soil sampling, forest floor, forest soils
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