Sentences with phrase «on plant growth»

He warns that we are on a «saturation curve», where extra CO2 has an ever - smaller effect on plant growth.
While CO2 stimulates reproduction and growth in plants, ozone has a negative impact on plant growth, the authors point out.
Your general point about there being multiple limits on plant growth is perfectly valid though.
The regional climate changes that higher CO2 will bring, and their effect on these limiting factors on plant growth, such as water, also have to be taken into account.
Indeed, looking at what has happened in the past suggests that it is irrelevant except for all its very positive impacts on plant growth (and thus food growth).
The results also showed other Western regions, such as the Northern Rockies and the Great Basin region, as having negative effects on plant growth in the eastern half of the country.
In the wake of the latest findings, Ronald Amundson, a soil biogeochemist at the University of California at Berkeley, told Chemical and Engineering News that «If there is more nitrogen there than expected, then the constraints on plant growth in a high - CO2 world may not be as great as we think.»
The opening of the USD 10 million state - of - the - art facility manifests IRRI's commitment to better understand the effects of climate change on plant growth in the ongoing effort to achieve food and nutrition security for future generations across the globe.
Finally, they also discussed how satellite data on plant growth indicate that the concentration of wild reindeer herds in the far north of Russia has not led to overgrazing of their environment, as previously thought.
Dr Karen Halliday, of the University of Edinburgh's School of Biological Sciences, who led both studies, said: «In the past, scientists had paid little attention to the influence of temperature on plant growth, but now there is fresh focus on this influential environmental factor.
4.3 Research into the direct effect of CO2 on plant growth without including the warming effect of CO2
Lucie Poulet and colleagues from the University of Clermont - Ferrand, Auvergne outline in their review that while healthy plants can be grown in space, the long - term effects of the space environment on plant growth and reproduction are not yet well known.
The study was designed to determine the impact of two organically approved liquid fertilizer sources applied through fertigation on plant growth, yield, fruit quality, and soil and plant tissue nutrient status of «Marion» and «Black Diamond» blackberry grown in an organic production system.
Overall, there were no differences between the fertilizers on plant growth, yield, or fruit quality, and both fertilizers were suitable for planting establishment.»
Instead, the presence of the ants scares off predatory insects, in turn enabling treehoppers and other plant - munching insects to thrive and take a serious toll on plant growth.
Only two of the 11 models used to project future warming in the most recent report from the Intergovernmental Panel on Climate Change (IPCC) considered the effects of limited nitrogen on plant growth; none considered phosphorus, although one paper from 2014 subsequently pointed out this omission.
Among the science cargo Cygnus will transport to the space station are a study to enable the first space - based observations of meteors entering Earth's atmosphere, a multitude of student investigations covering topics such as the effects of microgravity on plant growth and the rates of milk spoilage in space and international research including a study to determine how blood flows from the brain to the heart in the absence of gravity.
This is due in part to the fact that other conditions (e.g. availability of nutrients such as Nitrogen and Phosphorus) appear to quickly become limiting, even when carbon availability is removed as a constraint on plant growth when ambient CO2 concentrations are sufficiently increased.
Qin said a primary objective of this study was to determine if this particular type of soil amendment could have a positive impact on plant growth under stress caused by drought or similar water - deficit conditions.
For 20 Million Years, the Diversity of Large Terrestrial Mammals Depended on Plant Growth (15/09/2016) For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of plant biomass.
There are still ESMs, for example, that have a very limited representation of nutrients — so, for example, nitrogen and phosphorus limitations on plant growth in the future.
More Evidence that FACE Studies Underestimate the Positive Impacts of CO2 Enrichment on Plant Growth.
Dr. Idso and others assert that this effect is likely to continue for the foreseeable future, ameliorating any negative impacts on plant growth from rising temperatures.
The folks behind the EcoQube desktop aquaponics ecosystem at Aqua Design Innovations are back again with another method of bringing a little greenery and life inside the home or office, but this time focusing on plant growth and «light therapy» to enliven your desk, with their EcoQube Air.
It is also equipped with phytotrons and greenhouses that enable the simulation of various climate scenarios, which helps researchers and scientists examine and predict the impacts of climate change on plant growth.
However, it is extremely difficult to generalise about the overall impact of the fertilisation effect on plant growth.
``... the positive effects of elevated carbon dioxide on plant growth are well established experimentally and theoretically.
Among their many activities, the Techbridge girls at John Swett wrote and produced an educational video on the phases of the moon, launched a campaign to educate the community about the harmful effects of motor oil and lawn fertilizer runoff seeping into San Francisco Bay, and studied the effect of ultraviolet light on plant growth.
«However, no amount of reafforestation or growing of new trees will ultimately off - set continuing CO2 emissions due to environmental constraints on plant growth and the large amounts of remaining fossil fuel reserves.
The study, led by Yann Hautier a Marie Curie Fellow associated with the College of Biological Sciences at the University of Minnesota and with the University of Oxford, U.K., looked at 28 years» worth of data on plant growth, number of species, ecosystem stability and exposure to changes in nitrogen, carbon dioxide, fire, grazing and water collected from experimental grassland plots at Cedar Creek Ecosystem Science Reserve near East Bethel as part of other studies.
The researchers, led by ecologist Jillian Gregg, now at the Environmental Protection Agency in Corvallis, Oregon, wanted to sort out the effects of environmental factors on plant growth.
Hammer believes that this indirect effect of temperature on plant growth has a larger impact on crop yield than heat stress:
In the wake of the latest findings, Ronald Amundson, a soil biogeochemist at the University of California at Berkeley, told Chemical and Engineering News that «If there is more nitrogen there than expected, then the constraints on plant growth in a high - CO2 world may not be as great as we think.»
It's a great way to familiarize yourself with cutting - edge research, such as the effects of music on plant growth, or the effects of soda on plant growth, or the reasons budding young scientists should never, ever be allowed to own hamsters.
Its 10 millennia give researchers a record of climate's effect on plant growth.
Despite their widespread use, Barron said few researchers have looked at the impact of environmental nanoparticles — whether natural or human - made — on plant growth.
Researcher Johan Uddling has been working with Swedish and international colleagues to compile data on how raised levels of carbon dioxide impact on plant growth and nitrogen absorption.
Inspired by an earlier study that showed that moose grazing and saliva distribution can have a positive effect on plant growth, the research team set out to test an interesting hypothesis — whether moose saliva may, in fact, «detoxify» the grass before it is eaten.
Ethylene is usually produced by plants at different developmental stages and can cause a wide range of negative effects on plant growth and development.
The new study, published in Nature Geoscience, takes the theory a step further — not only linking a warm Arctic to unusual weather patterns in North America, but also to the impacts on plant growth and crop yields.
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