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首页> 外文期刊>Irrigazione e Drenaggio >Root growth of young olive trees developed under different soil water availability
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Root growth of young olive trees developed under different soil water availability

机译：不同土壤水分条件下橄榄幼树的根系生长

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摘要

This research, carried out in a semi-arid Mediterranean environment, assessed the annual evolution of the root density values of young olive trees (cv. 'Coratina') grown under well-watered and dry conditions. The growth dynamics of the under- and above-ground parts of the trees during the vegetative cycle was studied. The irrigated plants, in comparison with those in dry conditions, showed a larger root density. The necessity of the plants to adjust their root system to a more vigorous canopy grownunder a better water condition of the soil explained the root density peak observed through the vegetative rest. The simultaneous study of the growth dynamics of the different organs of the olive trees showed a growth pattern determined by the sink-source competitions established among the under- and above-ground parts of the trees.
机译：这项研究是在半干旱的地中海环境中进行的，评估了在充足水源和干燥条件下生长的年轻橄榄树（coratina）的根系密度的年度变化。研究了植物的地下和地上部分在营养循环中的生长动态。与干旱条件下相比，灌溉植物的根系密度更大。植物必须在更好的土壤水分条件下调整其根系，使其适应更旺盛的树冠，这解释了通过营养休息观察到的根系密度峰值。对橄榄树不同器官的生长动力学的同步研究表明，橄榄树地下和地上部分之间建立的汇源竞争决定了一种生长方式。

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