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Comparison of Different Methods of Establishing Bur Oak on the Roadside.

机译:不同方法在路边建立柏橡树的比较。

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The investigation was conducted to find out how a prominently taprooted tree (bur oak, Quercus macrocarpa Michx.) will establish and perform under roadside conditions when subjected to different root treatments and methods of planting. Generally,plants whose roots were pruned back alone, pruned back and treated with a hormone solution of 150ppm indolebutyric acid + 2ppm thiamine,and grown in containers for one to two years prior to transplanting in the field established and performed better than those transplanted bare-root or direct seeded. Pruning back stimulated root branching while indolebutyric acid and thiamine promoted root hair formation.

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