纳森•林奇：为有效吸取表土磷等营养物，浅根更适合。
Jonathan Lynch: For some nutrients like phosphorous which are in the top soil, we want shallow roots.
生物工程的植被深根可起锚固效应，盘结的浅根能起加筋效应。
The deep roots resulted from biological engineering act as anchors, and voluminous flat roots present a reinforcement effect.
浅根、高分蘖品种在 植物根茎周围根密度很大，但根系同时向垂直和水平方向生长。
A shallow-rooted, high-tillering variety has a very high root density around the plant base but the roots grow vertically as well as laterally.
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