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    Author(s): M.A. Radwan
    Date: 1987
    Source: Res. Pap. PNW-RP-375. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 14 p
    Publication Series: Research Paper (RP)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (745 KB)

    Description

    Effects of P, K, Ca, Mg, S, Co, and Mo fertilizers on growth and foliar nutrients of red alder seedlings potted in Grove, Bunker, and Wishkah forest soils were determined. Growth in Grove soil was stimulated most by P, Ca, and P + Ca + Mg + K + S. Growth in Bunker soil was improved only by P. In Wishkah soil, best growth was obtained when P was used alone; all fertilizer mixtures produced less growth. Results indicated the potential of fertilizer to increase alder production and suggested caution in using fertilizer mixtures because they may materially reduce growth response.

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    Citation

    Radwan, M.A. 1987. Effects of fertilization on growth and foliar nutrients of red alder seedlings. Res. Pap. PNW-RP-375. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 14 p

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    Keywords

    Fertilizer effects, growth response, nutrients, red alder, seedling growth

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