They serve as a natural fertilizer and help support the roots of future crops. They take in rain and allow it to flow into the soil instead of running off.

这个小口子发挥着天然肥料的作用，而且能够帮助支撑之后种下的庄稼的根茎。它们盛纳了雨水并将其导入泥土中，而不任其白白流走。

With no vegetation and no roots to reinforce them, nothing holds the soils back.

没有植物和根茎的加固，土壤被雨冲走。

18. Put plastic or aluminum foil around the stems of bananas.

18. 用塑料纸包裹香蕉的根茎。

So hidden from our eyes, plant roots are colonized by a fungus called arbuscule mycorrhizae.

隐藏在我们的眼皮底下，植物的根茎被一种叫做丛枝菌根的真菌定殖。

Small coffee farmers in Kenya are able to increase their incomes by 40% by following a few simple guidelines on caring for their bushes, such as trimming all but three of their stems.

肯尼亚的小咖啡农通过遵循一些灌木丛指南（例如修剪除三根茎以外的所有茎），可将收入增加 40%。

But potatoes have more protein than these other kinds of roots or tubers.

但土豆比其他种类的根茎块茎含有更多的蛋白质。

They spend more energy on their leaves, trunks and roots than on their acorns.

比起橡果，它们给予叶子、树干以及根茎的能量会更多。

It was a flower white as snow with thin green stripes.

这一朵有着细细的根茎并且洁白如雪的花。

Details and photos of those roots are in the journal Science.

这些根茎的细节和图片登在《科》上。

" What sort of roots? " asked Susan.

“什么样的根茎？”苏珊问。

A popular yet unspoken supplement comes from an unlikely root vegetable.

一种很受欢迎却没有说出口的补充剂来自一种不太可能的根茎类蔬菜。

Whiter than fine pearls were the lilies, and their stems were of bright silver.

比上等珍珠还洁白的百合花，它们的根茎由亮闪闪纠银子做成的。

In autumn, an " ear" forms at the end of each stem.

秋天, 每一根茎的顶端都会长出一个" 穗子" 。

Sheldon's looking up the phallic symbolism of root vegetables in Renaissance paintings.

谢尔顿正在查阅文艺复兴画作中植物根茎的阳物崇拜符号。

So putting plastic or aluminum foil around its stem won't let this gas spread to other parts of the fruit saving the pulp from becoming a brown mushy mess for 4-5 days.

因此用塑料纸包裹住它的根茎，就不会让这种气体扩散到其他部分，从而使果肉不会在4-5天内变成棕色的糊状。

Black bear's average are 140 kilos in weight. Grizzly bears spend time digging in the ground for roots and tubers that make up part of their diet.

而黑熊的平均体重只有140千克。灰熊会花很长时间挖出地下的根茎食用。

For example, the entire forest transitions simultaneously from winter to spring and uses its vast network of roots to distribute water and nutrients from trees with plenty to trees in need.

比如，整个森林在冬春交季时同时发生变化，并凭借其巨大的根茎网络，来从营养富足的树向需养的树输送水和营养物质。

But it increased production in 2015 after developing a rootstock that produces as much as 40 percent more nuts with the same soil and water, said Rob Yraceburu, president of Wonderful Orchards.

但在开发出一种开心果根茎后，该公司在2015年提高了开心果产量，该开心果根茎在相同的土壤和水条件下可多产出40%的开心果，Wonderful Orchards总裁罗布·亚拉西布鲁说道。

A fistful of tubers had hit the Cloak over Ron's head; the slimy green roots were suspended improbably in midair as Ron tried to shake them loose.

一把疙瘩扔到了披着隐形衣的罗恩脑袋上，罗恩想把它抖掉，可那绿色的，黏糊糊的根茎荒唐地悬在半空。

There is only room for me to send my love, and some pressed pansies from the root I have been keeping safe in the house for Father to see.

我要在这有限的篇幅里，献上我的爱和几朵压扁的三色堇，那从我精心培植在家里等父亲回来看的根茎上摘下来的。