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    Author(s): C. H. Pham; Howard G. Halverson; Gordon M. Heisler
    Date: 1978
    Source: Res. Pap. NE-412. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7p.
    Publication Series: Research Paper (RP)
    Station: Northeastern Research Station
    PDF: View PDF  (631.75 KB)

    Description

    Red maple (Acer rubrum L.) seedlings were grown in a greenhouse using three treatments: two soil horizons, two soil moisture regimes, and three nutrient levels. Fertilization increased growth under moist conditions on the more fertile topsoil. Under dry conditions, fertilization had no effect on growth in subsoil, and slightly increased growth in topsoil. Without fertilization, growth was greater in the moist topsoil. Growth was most balanced when available soil N was 25 ppm, P was 25 to 75 ppm, and K was 75 to 100 ppm. Multiple regression equations relating growth to foliar nutrients were significantly different only for the subsoil.

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    Citation

    Pham, C. H.; Halverson, Howard G.; Heisler, Gordon M. 1978. Red Maple (Acer rubrum L.) Growth and Foliar Nutrient Responses to Soil Fertility Level and Water Regime. Res. Pap. NE-412. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7p.

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