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Root competition between beech and oak: a hypothesis[J] . Christoph Leuschner,Dietrich Hertel,Heinz Coners,Volker Büttner.Oecologia . 2001 (2)
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The relation between fine root density and proximity of stems in closed Douglas-fir plantations on homogenous sandy soils: implications for sampling design[J] . A.F.M. Olsthoorn,J.M. Klap,J.H. Oude Voshaar.Plant and Soil . 1999 (2)
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Spacial patterns of fine root abundance in mixed larch-ash plantation[J] . Cui Xiaoyang.Journal of Forestry Research . 1997 (4)
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Changes in chemistry and mineralogy of forest soils by acid rain[J] . Nicola Rampazzo,Winfried E. H. Blum.Water, Air, & Soil Pollution . 1992 (3)
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Tolerance to acid soil conditions of the velvet beans Mucuna pruriens var. utilis and M. deeringiana[J] . Kurniatun Hairiah,Meine Noordwijk,Slamet Setijono.Plant and Soil . 1991 (1)