An Experimental Study on the Conditions for Seedling Establishment of Woody Plants Observed on Soft-Rock of Cut Slopes.

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  • 切土軟岩のり面に出現する木本植物の実生発生条件に関する実験的研究
  • キリドナンガンノリ メン ニ シュツゲン スル モクホン ショクブツ ノ ミショウ ハッセイ ジョウケン ニ カンスル ジッケンテキ ケンキュウ

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Abstract

In order to study the effects of micro-habitats on woody plants growing on soft-rocks of cut slopes, seedling establishment and initial growth were studied by the experiment. As a result, three types of seedling establishment were recognized in the comparative experiments of germination beds. Seedlings of Lespedeza buergeri and Lespedeza bicolor with medium-sized seeds and low T/R ratio emerged under any conditions and their survival rates were high. In Deutzia crenata, Deutzia scabra, Weigela decora and Hydrangea involucrata with small seeds and high T/R ratio, the rates of seedling occurrence decreased on the litter and peat-moss and the survival rates of Rohdodendron shrubs decreased in the litter and top-soil treatments as germination bed

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