Comparative flood tolerance of birch rootstocks von RANNEY, T.G, BIR, R.E

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Influence of ten ground cover systems on growth and market value of eastern hemlock and eastern white pine von Skroch, W.A, Shribbs, J.M, Bir, R.E, Shelton, J.E

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Use of growth retardants to promote flowering of Mountain Laurel, Kalmia latifolia L von Banko, T.J, Bir, R.E

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Comparative drought resistance among six species of birch (Betula): influence of mild water stress on water relations and leaf gas exchange von Ranney, T.G, Bir, R.E, Skroch, W.A

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Use of paclobutrazol to regulate shoot growth and flower development of 'Roseum Elegans' rhododendron von Ranney, T.G, Bir, R.E, Conner, J.L, Whitman, E.P

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