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.
但米歇根湖邻近城市的部分较安大略湖要浅很多。
But close to the city, Lake Michigan is shallower than Lake Ontario.
农作物对磷具有依赖性，由于磷一般均分布在土壤的表层，因而使农作物的根扎得浅。
With crops that rely on phosphorus, he's breeding shallow roots, since phosphorus is typically found in topsoil.
林奇利用豆子和玉米之类的主要农作物进行实验，发现根的特点——比如深的或是浅的——都会影响植株对必需养分的吸收。
Working with staple crops like beans and corn, Lynch identifies which root traits -like deep, or shallow -will help plants get the sustenance they need.
林奇利用豆子和玉米之类的主要农作物进行实验，发现根的特点——比如深的或是浅的——都会影响植株对必需养分的吸收。
Working with staple crops like beans and corn, Lynch identifies which root traits - like deep, or shallow -will help plants get the sustenance they need.
他还告诉我用水浇灌的树的根是如何的浅，而那些没有浇水的树的根必须钻入深深的泥土获得水分。
He talked about how watering trees made for shallow roots, and how trees that weren't watered had to grow deep roots in search of 6 moisture.
频繁的浅度浇水会让根泥土表面伸展以寻找水，纵容了植物产生不良好的结构。
Frequent shallow watering can force roots to come up to the soil surface in search of a drink, encouraging a plant to develop a weak structure.
红杉是高耸三百呎的壮丽红木树，但这些树的根往往非常浅，那为何它们面对强风也不致折断倒地呢？
Sequoias are spectacular redwood trees, towering 300 feet high. But these trees have unusually shallow root systems. So why don't they crash to the ground in strong winds?
根扎得深的植物会从较低的地底获得营养，试验他们不会与扎根浅的植物竞争。
Deep-rooted vegetables get nutrients and moisture from lower down, so they do not...
根扎得深的植物会从较低的地底获得营养，试验他们不会与扎根浅的植物竞争。
Deep-rooted vegetables get nutrients and moisture from lower down, so they do not...
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