实践证明，低耕农业提高了作物产量，减少了用水量；而且，由于有害植物变少了，这种农业对化工产品的需求也降低了。
It has been proved that Low Till Farming increases harvests and reduces water use, and this method reduced the need for chemical products because there are fewer unwanted plants.
城市的环境污染确实有害植物生长，更不要说人的生活了。
Cities are full of pollution, and it does have a detrimental effect on plant life-to say nothing of people life!
经调查，丽水市共有林业有害植物13科39种，其中禾本科8种；
After investigation, Lishui city pooled forestry harmful plant 13 branches with 39 species, including: 8 species of family Gramineae;
文章探讨了林业有害植物的概念及其在山西省的危害，提出对外来有害植物的预防及管理对策。
The article probes into the concept of harmful forestry plants and their harms to Shanxi and proposes some measure to prevent and control alien harmful plants.
在多年调查的基础上，列出了浙江省有分布的90种有害植物名录，包括外来有害植物和土著有害植物。
Based on several years investigation, the list of 90 injurious plants which distributed in Zhejiang Province including the adventitious species and the indigene species was arranged in this paper.
这种植物在温室和苗圃入侵性会变得极强，认为它是一种有害植物。叶片和苞片脱落后，容易生根并产生大量新植株。
In the greenhouse this plant can become very invasive, and nurseries consider it a pest. Leaves and bracts detach and root easily and produce multitudes of new plantlets.
记住，这里提供的有害植物的清单是不完整的，你需要向宠物医生请教更多这方面的知识，了解更多对小狗有害的植物。
Remember, this is not a complete list of dangerous plants. You'll need to talk with your vet to learn more about these and other plants that can be harmful to your pup.
结果表明，放牧能明显抑制一年生禾本科杂草及播种多年生禾本科牧草的生长，但对白三叶和草地有害植物的生长都有促进作用。
The results showed that grazing restrained the growth of annual gramineae weeds and perennial gramineae grass, but accelerated the growth of white clover and noxious plants.
土壤里的石灰对某些植物有害。
他们将其杀死，因为他们认为它对植物或人类有害。
They kill it because they believe it is harmful to plants or people.
其中包括叶子上载有传感器的植物，能显示出它们何时缺水，还包括一种可以检测到地下水中有害化学物质的植物。
These include plants that have sensors printed onto their leaves to show when they're short of water and a plant that can detect harmful chemicals in groundwater.
人们甚至可以未经许可就对植物或无脊椎动物进行迁移，只要它们未被归类为有害动植物。
People aren't even required to seek permits to move plants or invertebrate animals around as long as they are not classified as pests.
按梅菈的说法，虽然可用双氧水和苛性钠杀菌，但这会造成水质污染并对植物有害。
Hydrogen peroxide or caustic soda can also be used to kill bacteria, but it pollutes the water and harms plants, says ms Mehra.
臭氧提供天然的保护，防止太阳的有害紫外线的侵害，这种紫外线会导致晒斑，白内障，皮肤癌以及危害植物。
Ozone provides a natural protective filter against harmful ultra-violet rays from the sun, which can cause sunburn, cataracts and skin cancer as well as damage vegetation.
当植物监测到那些有害物品时就会激发内信号，使叶子从绿色变成白色。
The plant detects the substance and activates an internal signal that causes it to lose its green colour, turning its leaves white.
美国国家航空航天局的研究一再表明，活的、绿色以及开花的植物，能够清除建筑物内空气中多种有害化学物质。
NASA research has consistently shown that living, green and flowering plants can remove several toxic chemicals from the air in building interiors.
太阳光中的紫外线会损伤动植物(包括人类)的DNA和引起皮肤癌，而臭氧层的功能就是阻挡住这些有害的紫外线从而保护地球上的生命。
Earth's ozone layer protects life by absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to skin cancer.
“植物不能躲避这些有害刺激，”梅德福教授说道，“所以它们演变出一套复杂的自我保护机制来侦察和应对外部环境干扰。”
'Plants can't run or hide from threats,' Professor Medford said, 'so they've developed sophisticated systems to detect and respond to their environment.'
它按字母顺序列出了对狗、猫和马之类的动物有害的植物，不但有照片、警告标识，还有对该植物的统计分析，标明该植物的哪一部分有毒哪一部分无毒。
It lists the plants that are toxic to dogs, cats and horses in alphabetical order, along with photos, warning signs and a breakdown of the plant, showing what parts of it are and are not toxic.
“植物通过叶片上的小孔吸收空气中的有害物质，”沃尔弗顿说。
“Plants take substances out of the air through the tiny openings in their leaves,” Wolverton said.
某些种类的浮游植物会产生强大的生物毒素，它们会形成所谓的“赤潮”，也叫做有害藻华。
Certain species of phytoplankton produce powerful biotoxins, making them responsible for so-called "red tides," or harmful algal blooms.
它的原理在于：当植物蛋白受体受到有害化学物质的刺激时，叶面外皮会释放出一种萜类化合物用以覆盖叶面，因此植物会改变其颜色。
It works because the receptor proteins in plant DNA respond naturally to threatening stimuli by releasing chemicals called terpenoids to thicken the leaf cuticle, thereby changing its colour.
在收集种质时，最终行动应遵循当地植物检疫程序，如有害生物风险评估。
When collecting germplasm, local plant quarantine procedures, for example pest risk assessment, should guide ultimate action.
臭氧对植物有害，会造成粮食减产。
其一是黑碳，另一样是臭氧，后者对阻止平流层的紫外线起着至关重要的作用，但对大气中的植物和人类有害。
One is black carbon and the other is ozone, which is vital for blocking ultraviolet rays in the stratosphere but hazardous in the bits of the atmosphere where plants live and people have to breathe.
叶片可以从烟雾弥漫的空气中吸收尼古丁和其他有害物质，并通过光合作用将之转换为无害的植物自有的物质。
Leaves can be absorbed from the smoke-filled air nicotine and other harmful substances, and through photosynthesis and convert them into harmless substances in the plant's own.
这些植物特别有助于吸收新房里的有害气体。
These plants are particularly useful for taking in harmful gases in the new house.
这些植物特别有助于吸收新房里的有害气体。
These plants are particularly useful for taking in harmful gases in the new house.
应用推荐