| 单词 | nitrogen-fixing |
| 例句 | It kills off the nitrogen-fixing bacteria that make the soil fertile. The Omnivore's Dilemma 2006-04-11T00:00:00Z Without the nitrogen-fixing bacteria, for example, plants would starve for want of nitrogen, though surrounded by a sea of nitrogen-containing air. Silent Spring 1962-09-27T00:00:00Z I answer every question correctly and Maestra Eva looks impressed at how the words chlorophyll and respiration and nitrogen-fixing cycle roll off my tongue. The Queen of Water 1996-01-01T00:00:00Z What I realized after five years of researching cuisines was that all of them — all of them — are built on nitrogen-fixing crops. Dan Barber on ‘The Third Plate’: ‘Farm-to-table . . . has a fallacy attached to it’ Thanks to their nitrogen-fixing ability, pulses are nutritional powerhouses: high in protein and fiber and low in fat. Pulses are packed with goodness 2023-02-23T05:00:00Z This puts the emphasis on reinvigorating the stumps of nitrogen-fixing trees, which were formerly cleared to maximise crop space. Africa innovations: 15 ideas helping to transform a continent 2012-08-25T23:05:54Z What originally interested lead author Michael Kipp is that the tissues of nitrogen-fixing plants can provide a record of the composition of the atmosphere they grew up in. Plants that survived dinosaur extinction pulled nitrogen from air 2023-11-16T05:00:00Z For this study, the researchers created 12 different MPNs and used them to encapsulate Pseudomonas chlororaphis, a nitrogen-fixing bacterium that also protects plants against harmful fungi and other pests. Microbes could help reduce the need for chemical fertilizers 2023-11-15T05:00:00Z Leguminous plants are also beneficial for soil due to nodules on their roots containing nitrogen-fixing bacteria, and The Good Pulse Company plans to use legumes exclusively grown in the UK. Could cheese made from peas be a healthy alternative for vegans? 2023-10-19T04:00:00Z The model results reveal intricate feedback mechanisms involving changes in the nitrogen and phosphorus content of phytoplankton, oceanic oxygen levels, N2 fixation by nitrogen-fixing phytoplankton, and denitrification. What phytoplankton physiology has to do with global climate 2023-10-13T04:00:00Z Nitrogen gas from the atmosphere is fixed into organic nitrogen by nitrogen-fixing bacteria. Fundamentals of Biology 2015-01-01T00:00:00Z The only common reactions at room temperature occur with lithium to form Li3N, with certain transition metal complexes, and with hydrogen or oxygen in nitrogen-fixing bacteria. Chemistry 2019-02-14T00:00:00Z The specialization is advantageous because some nitrogen-fixing enzymes function best in the absence of oxygen. Biology for AP Courses 2022-06-09T00:00:00Z Nitrogen enters the living world from the atmosphere via nitrogen-fixing bacteria. Environmental Biology 2018-09-06T00:00:00Z These nitrogen-fixing bacteria absorb nitrogen from the atmosphere and convert it into nitrogen compounds. An Introduction to Geology 2017-01-01T00:00:00Z Because they establish symbiotic relationships with nitrogen-fixing cyanobacteria, mosses replenish the soil with nitrogen. Fundamentals of Biology 2015-01-01T00:00:00Z That might explain why Sheik and his colleagues saw levels of Microcystis and its toxin rise after the bloom in nitrogen-fixing Dolichospermum. To tame lake-fouling algal blooms, try an ecosystem approach 2022-07-05T04:00:00Z Many bacteria form symbiotic relationships with other organisms; for example, nitrogen-fixing bacteria live on the roots of legumes. Biology for AP Courses 2022-06-09T00:00:00Z For nearly as long, researchers have sought to understand and control its nitrogen-fixing properties, yielding a variety of results. Designer bacteria could replace oil-intensive chemical fertilizers 2022-03-01T05:00:00Z We can start with agriculture, by replacing carbon-intensive synthetic fertilizers with organic sources of fertility, including nitrogen-fixing intercrops and cover crops. To keep fossil carbon out of the air, just stop pulling it out of the Earth 2021-11-17T05:00:00Z The water ferns of the genus Azolla harbor nitrogen-fixing cyanobacteria and restore this important nutrient to aquatic habitats. Fundamentals of Biology 2015-01-01T00:00:00Z Bayer, whose agricultural interests include Monsanto and the Dekalb seed businesses, was looking for a technology partner to produce nitrogen-fixing microbes. Biology Starts to Get a Technological Makeover 2021-09-16T04:00:00Z In the absence of fixed nitrogen, certain newly developing cells along a filament express genes that code for nitrogen-fixing enzymes and become non- photosynthetic heterocysts. Biology for AP Courses 2022-06-09T00:00:00Z Tailoring these mutant strains of nitrogen-fixing bacteria to the needs of specific crops would markedly reduce the contribution of nitrogen runoff to eutrophication — nutrient loading in aquatic ecosystems. Designer bacteria could replace oil-intensive chemical fertilizers 2022-03-01T05:00:00Z Then there’s this other deep-rooted plant, and it goes down and brings up water, which it shares with the nitrogen-fixing plant because that nitrogen plant needs a lot of water to carry out its activities. ‘Mother Trees’ Are Intelligent: They Learn and Remember 2021-05-04T04:00:00Z Praveen Rahi spent the better part of the past 3 years identifying and describing a new species of a nitrogen-fixing bacteria he discovered on peas cultivated in the mountains of northern India. Strict biodiversity laws prevent Indian scientists from sharing new microbes with the world 2020-10-20T04:00:00Z This approach of growing both trees and crops in the same place used nitrogen-fixing Casuarina trees 1,000 years ago, and has proved to be sustainable to the present day6. An inventory of plants for the land of the unexpected 2020-08-04T04:00:00Z In soil, members of the genus Clostridium are examples of free-living, nitrogen-fixing bacteria. Biology for AP Courses 2022-06-09T00:00:00Z Use of nitrogen-fixing bacteria in agriculture is not in and of itself a particularly novel concept. Designer bacteria could replace oil-intensive chemical fertilizers 2022-03-01T05:00:00Z In a myopic sense, industrial agriculture – which uses nitrogen-fixing synthetic chemical fertilisers – is vegan. Are vegetables vegan? Organic agriculture's dirty little secret 2019-12-24T05:00:00Z And many trees species used in agroforestry are nitrogen-fixing, replenishing this key nutrient to the soil. Farming Degrades Land; Farming Can Also Bring It Back 2019-12-12T05:00:00Z Peanuts are naturally a sustainable crop that demands little water, has nitrogen-fixing properties and, when planted in rotation with other crops, reduces soil erosion. To eat or not to eat: 10 of the world's most controversial foods 2019-11-20T05:00:00Z The scientists involved say that decrease is due to smaller crop yields and the introduction of nitrogen-fixing legumes into crop rotations, reducing the amount of land available for production. Swing to organic farming would boost emissions 2019-10-22T04:00:00Z Much of this fixation is done by free-living nitrogen-fixing bacteria. Can Soil Microbes Slow Climate Change? 2019-03-26T04:00:00Z The lab tests show their manure to be rich and fertile and nitrogen-fixing. Say it with mastodons 2018-11-13T05:00:00Z You can see the ripples of the nitrogen-fixing bacteria boom in an unremarkable office park in West Sacramento. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z Until 1909, nitrogen-fixing bacteria made most of the ammonia on the planet. Ammonia—a renewable fuel made from sun, air, and water—could power the globe without carbon 2018-07-12T04:00:00Z Dr. Huong's trial in Vietnam is just one part of a global network of scientists and entrepreneurs hoping nitrogen-fixing technologies can be a part of the solution. Making food crops that feed themselves 2018-06-07T04:00:00Z Long before the rise of modern agriculture, humans relied on three things to bring nitrogen to barren soils: lightning strikes, nitrogen-fixing bacteria, and natural fertilizers. Bird poop brings 3.8 million metric tons of nitrogen out of the sea each year 2018-01-23T05:00:00Z In chemistry, for example, enzymes called nitrogenases catalyze the reactions that enable nitrogen-fixing bacteria to turn nitrogen from the air into a form that plants can use. After years of avoidance, Department of Energy joins quest to develop quantum computers 2018-01-10T05:00:00Z Next year, Pivot plans to start getting farmers nitrogen-fixing bacteria — which efficiently delivers fertilizer to crops, no fossil fuels required. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z For this process to occur, however, large populations of nitrogen-fixing bacteria must be present in the soil. A bountiful spring vegetable harvest starts this fall 2017-09-13T04:00:00Z This modest farming town is host to an international research trial, investigating whether a strain of nitrogen-fixing bacteria can help to reduce the amount of fertilizer used by farmers. Making food crops that feed themselves 2018-06-07T04:00:00Z Without the nitrogen-fixing bacteria, for example, plants would starve for want of nitrogen, though they are surrounded by nitrogen-containing air. Silent Spring—I 2017-01-03T05:00:00Z But the process involved — the nitrogen-fixing Haber–Bosch process — is energy intensive: it accounts for a few per cent of the world's annual energy use. Chemistry: Reuse water pollutants 2015-12-01T05:00:00Z Instead of engineering plants, what if they worked with nitrogen-fixing soil bacteria? Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z While researching evolution and microbial ecology, she investigated the association between leguminous plants and nitrogen-fixing bacteria. Connecting The Microcosmos and The Macro World 2014-11-04T05:00:00Z As seeds, the treated plants are coated in nitrogen-fixing bacteria. Making food crops that feed themselves 2018-06-07T04:00:00Z Over time, the bacteria lost the ability to live independently of the fern, but their photosynthetic machinery increased its nitrogen-fixing capability by a factor of between 12 and 20. How Scientists Uncovered Arctic Clues to a Past Where a Tiny Fern Changed the Planet 2014-07-14T04:00:00Z Tilling less and periodically planting crop fields with nitrogen-fixing legumes can also help to keep nitrogen in the soil. Grass gets greener 2013-09-18T17:20:44.500Z Farmers could plant a liquid probiotic along with their seeds, allowing the nitrogen-fixing bacteria to grow with the plants. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z As a consequence, the nitrogen-fixing legume began to prosper in areas where it could not grow before. Can Endangered Animals Coexist with Big Ag? [Excerpt] 2013-02-22T19:15:00.507Z "I think this nitrogen-fixing bacteria is one of the best solutions to ensure food security for the future as well as farming more sustainably." Making food crops that feed themselves 2018-06-07T04:00:00Z Fossil fuel burning and fertiliser manufacture now take more nitrogen from the atmosphere than all of the planet's nitrogen-fixing microbes - and there are a lot of those bugs out there. Leaving our mark: Fossils of the future 2012-11-03T00:34:29Z Holden says that in these cases the root nodules that normally house nitrogen-fixing bacteria were "were vacant of bacteria." Metal Nanoparticles Hurt Soybean Growth 2012-08-21T20:39:10Z The company began prospecting for bacteria in buckets of soil from farms all over the United States and uncovered hundreds more nitrogen-fixing critters. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z A surprising amount of nitrogen-fixing bacteria were also detected. Bacteria clean up fire aftermath 2012-05-22T17:06:23Z The 500 or so farmers currently taking part are planting trees around their fields to prevent soil erosion and rehabilitating the soil by rotating nitrogen-fixing crops like beans and peas with the cassava. Green Blog: Swapping Out Charcoal With Ethanol 2012-05-18T14:08:27Z One green solution gaining attention is to plant high-protein nitrogen-fixing legumes such as pigeon pea, peanuts and soya beans. African agriculture: Dirt poor 2012-03-28T17:20:24.933Z One of the best-known examples is the rhizobia bacteria that form nitrogen-fixing nodules inside of the roots of legumes. Nitrogen Fixation 2012-01-15T19:15:03.357Z That giants like Bayer are trying to solve the nitrogen problem ups the odds that someone will succeed, because it’s not enough to simply identify a nitrogen-fixing bacterium. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z Legumes and actinorhizal species are capable of forming a specialized organ, the root nodule, a highly differentiated structure hosting nitrogen-fixing symbionts. The Medicago genome provides insight into the evolution of rhizobial symbioses 2011-12-21T18:21:30.107Z The researches of later years have demonstrated that a still more inexhaustible supply of nitrogen is made available by the nitrogen-fixing bacteria of the soil. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" He goes to one of the firms that makes a business of supplying nitrogen-fixing bacteria from the scabs or nodules of the clover roots and scatters these colonies over the field. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Similarly, the small fern Azolla forms a symbiosis with the nitrogen-fixing cyanobacteria Anabaena. Nitrogen Fixation 2012-01-15T19:15:03.357Z It was only logical that the poplars — and maybe lots of other plants — had partnered with nitrogen-fixing bacteria in a manner previously unknown to science. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z To do their work well the nitrogen-fixing germs and the nitrifying germs require certain conditions. The First Book of Farming I am glad that the nitrogen-fixing and nitrifying bacteria do business chicfly in the surface soil, because we are not prepared to correct the acidity to any very great depth. The Story of the Soil; from the Basis of Absolute Science and Real Life, Long before the discovery of the nitrogen-fixing bacteria, the custom prevailed of sowing pea-like plants every third year and then plowing them under to enrich the soil. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries These plants have on their roots nitrogen-fixing bacteria, which draw nitrogen from the air. Three Acres and Liberty Several sources cautioned me that nitrogen-fixing bacteria might only be the first step in tackling the nitrogen conundrum. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z The soil must be well ventilated to supply nitrogen for the nitrogen-fixing germs and oxygen for the nitrifying germs. The First Book of Farming That’s because, after decades of breeding corn to thrive with abundant fertilizer, our high-yielding crops might have lost the “cooperation genes” they need to work with nitrogen-fixing bacteria. Our fertilizer is killing us. Here’s a fix 2018-10-11T04:00:00Z This they do not of their own power but through the aid of very minute plants called bacteria or nitrogen-fixing germs. The First Book of Farming This allows the nitrogen of the nitrates to escape as a free gas into the air again, and the work of the nitrogen-fixing and nitrifying germs is undone and the nitrogen is lost. The First Book of Farming |
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