These microbes enable the soil to have more nitrogen, which plants need to live and they remain quite active during the winter.
这些微生物可以让土壤中植物生长所需的氮含量增加，在冬天让植物仍保持活跃。
Aeroponics, a technique in which plants are suspended and the roots misted with a nutrient solution, is another method for growing plants without soil.
空气培植法是一种将植物悬挂起来、并将根部浸泡在营养液中的技术，是另一种不需要土壤就能种植植物的方法。
They might document which plants are blossoming or what animals live in there. Through sharing these, other kids can see the differences across the country.
他们也许会记载哪些植物开花了，或者他们地区生活了哪些动物。通过分享这些记载，其他的孩子就会看到全国不同的地方。
As a result of these diverse methods by which plants supply resources, unique soil communities form under different plant species and under plant communities that differ in composition.
由于植物提供资源的方法不同，在不同的植物种类和组成不同的植物群落下形成了独特的土壤群落。
Scientists are learning more every day about the secret ways in which plants talk to each other.
科学家们每天都在了解更多有关植物互相交流的秘密方式。
It captures the energy which plants produce during photosynthesis—a process of converting sunlight into energy.
它获取植物在光合作用过程中产生的能量，光合作用是一个将太阳光转化为植物自身能量的过程。
Last time we talked about photosynthesis, the process by which plants use light to convert carbon dioxide and water into food.
上次我们讨论了光合作用，即植物利用光将二氧化碳和水转化为食物的过程。
Or see which plants respond to copper oxide.
或许也可以看看那些植物对氧化铜甘斯有反应。
Experienced hunters and campers should know which plants are edible and which are not.
有经验的猎人和露营者都该知道哪些植物可吃，哪些不可吃。
The process in which plants absorb metallic elements is mostly an initiative absorption process.
植物吸收金属元素的过程主要是一个主动吸收过程。
Sometimes you can't know ahead of time just which plants will respond well or want more sun or shade so you need to be flexible.
有时候，你不能提前知道哪些植物会有很好的效果、需要更多的阳光还是阴凉，所以你需要弹性调整。
When we think it out we can see that most of the energy man USES comes from the sun by way of the materials which plants build up in photosynthesis.
我们知道了这一点就可以看出人们利用的大部分能量都来自太阳，是靠植物光合作用制造的物质而取得的。
Some have designed algorithms that use satellite data on surface temperatures to calculate the rate at which plants are absorbing and transpiring water.
一些人已经设计了各种算法，可利用卫星针对地表温度收集数据，计算出地球吸收和蒸发水分的速率。
Making natural compost: Let's start from the basics of organic farming. We will change the gifts of nature into micro-organisms and nutrients which plants love most.
制作堆肥：实践有机耕种最基础的操作，把来自大自然的素材，变成微生物和植物最喜欢的养份。
A team of MIT researchers has found a novel way to mimic the process by which plants use the power of sunlight to split water and make chemical fuel to power their growth.
麻省理工学院的一个研究小组发现了一种新颖的方式来模仿植物利用阳光的能量把水分解，形化学燃料来加速其成长的过程。
They might document which plants are blossoming or what animals live in their area, sharing their contributions so other kids can see the differences across the country.
他们也许会记载哪些植物开花了，或者他们地区生活了哪些动物。通过分享每个人贡献出的资料，其他的孩子就会看到全国不同的地方。
Then, in the second half-reaction, the electrons and hydrogen ions combine with carbon dioxide to create energy-rich carbohydrates, such as glucose, which plants use to grow.
然后在第二个半反应里，电子和氢离子与二氧化碳结合生成能量丰富的碳水化合物，像葡萄糖，用于植物生长。
Scientists claim to have identified chemicals produced by certain plants which have powerful cancer-fighting properties.
科学家们声称已经发现某些植物产生的化学物质有强大的抗癌功能。
Within samples collected from the solid substances lying beneath the ice they found fossils of microscopic marine plants which suggest that the region was once open ocean not solid ice.
在从冰下的固体物质中收集的样本中，他们发现微型海洋植物的化石，这表明这个区域曾经是开阔的海洋而不是坚硬的冰。
But you know there are some plants which become smaller in a strong light and love the shade.
但你知道，有些植物在强光下会变得更小，喜欢遮阴。
They found fossils of microscopic marine plants which suggest that the region was once open ocean, not solid ice.
他们发现了微型海洋植物的化石，表明该地区曾经是开放的海洋，而不是坚固的冰层。
If the earth gets hotter in the new century, what will happen to animals and the plants which animals depend on for survival?
如果地球在新世纪变得更热，那些动物以及动物赖以生存的植物将会怎么样？
The Nightshade family is a category of plants which also includes many that you wouldn't want to eat, like mandrake, belladonna, and even tobacco.
茄科包括的一系列植物有很多你们是不会食用的，如曼德拉草、颠茄、甚至烟草。
After two hours' drive, we came to what is called a green house, through the glass wall of which, we saw lots of green plants.
经过两个小时的驾驶，我们来到了称之为温室的地方，通过那里的玻璃墙我们看到了很多绿色植物。
This was described by Darwin for indigenous New Zealand species of animals and plants, which died out when competing species from Europe were introduced.
这是达尔文为新西兰本土动植物物种所描述的，它们在来自欧洲竞争物种被引进时灭绝了。
They made a lamp that can be powered by plants and soil, both of which can be easily found in the Amazonian rainforest where the village lies.
他们制造了一种可以用植物和土壤供电的灯，而在这个村庄所在的亚马逊雨林中，植物和土壤都很容易找到。
They made a lamp that can be powered by plants and soil, both of which can be easily found in the Amazonian rainforest where the village lies.
他们制造了一种可以用植物和土壤供电的灯，而在这个村庄所在的亚马逊雨林中，植物和土壤都很容易找到。
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