Effect of confined root growth. Close-up view of roots of an English Elm (Ulmus procera). These roots belong to a tree which has been cultivated in a pot. In these confined conditions, the roots tend to grow in spirals, rather than geotrophically (downward).
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Creative#:
TOP10173427
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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