Sentences with phrase «plant root growth»

«Due to their capacity for improving plant root growth, soil nutrient cycling and microbial activity, the application of humic substances may have long - term benefits in agricultural systems.»
A new climate change modeling tool developed by scientists at Indiana University, Princeton University and the National Oceanographic and Atmospheric Administration finds that carbon dioxide removal from the atmosphere owing to greater plant growth from rising CO2 levels will be partially offset by changes in the activity of soil microbes that derive their energy from plant root growth.
They then compared the effect of two experimental designs on plant root growth, and used mini-Horhizotrons to compare root growth of plants in different container substrates.

Not exact matches

All of these are fruits that have withered and died and fallen to the ground, split open and spilled into the earth to nourish the roots, but also to plant new seeds for further growth and more varieties of fruit.
Without honesty and equal transparency, spiritual growth is like a root - bound plant in a pot far too small.
Also a problem is that some transplants are «forced» with high levels of nitrogen, resulting in tall plants with insufficient root growth.
A series of squash plants hung from the ceiling on a moving conveyor, their roots dangling into a chamber that sprayed them with a nutrient mix sufficient for growth.
This system is ideal for encouraging root growth and for helping plants to thrive quickly.
Judd and fellow researchers Brian Jackson, Ted Yap, and William Fonteno said that the mini-Horhizotron gives growers a new, effective way to study a plant's root growth.
However, microgravity can reduce cell growth, alter gene expression and change the pattern of root growth — all aspects which critically affect plant cultivation in space.
Not only the root's stem - cell niche is located there, the root tip also accommodates sensors for an auxin - dependent growth of the plant based on gravitation.
Professor Taylor, who co-ordinated the research, says: «Our findings provide the very first insight into how biochar stimulates plant growth — we now know that cell expansion is stimulated in roots and leaves alike and this appears to be the consequence of a complex signalling network that is focussed around two plant growth hormones.
«However, measuring root growth during the experiment revealed that the three plant species (coneflower, mum, holly) varied in their rates of root growth in the different substrates.
«Considering the large portion of the green industry involved with growing plants in containers and the importance of understanding the physiology and morphology of roots, the factors that influence root growth in container production should be continually investigated,» they wrote.
«The mini-Horhizotron was designed to measure root growth of small plant material such as seedlings, herbaceous plugs, or woody plant liners normally grown in containers less than 3.8 L,» explained corresponding author Leslie Judd.
Plant growth is strongly influenced by the environment: stems grow up towards the sun, while roots grow down under the influence of gravity — an effect called gravitropism.
Global simulations conducted by the team found that microbial responses to enhanced root activity under rising CO2, while depending on plant species, climate and soil mineralogy, led to a loss of global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the world.
Doak believes it spends much of its early energy building an extremely long tap root that helps ensure water and nutrients later on, but slows the plant's above - ground growth in the meantime.
The chemistry of Guam's volcanic subsoil is inhospitable for root growth of most plants.
The pest programmed the plant roots in beets to form a special nutritive tissue, which the nematode uses for its own growth.
Scientists at the University of Bonn together with an international team discovered that nematodes produce a plant hormone to stimulate the growth of specific feeding cells in the roots.
However, there is increasing recognition that the health and utility of plants can be greatly enhanced by improving below - ground traits such as root growth.
Seedlings were assessed for number and biomass of cluster roots, plant size and growth, and foliar phosphorus levels.
If the concentration of the CDF4 protein would be too high in the stem cells, then the stem cells would also be forced to differentiate and the plant would have to stop root growth.
It colonizes the surface of the roots and showed the greatest amount of plant growth when associated with plant roots.
Plant roots in soil are often regions of high microbial activity, known as rhizospheres, where symbiosis between plants and microbes promote plant grPlant roots in soil are often regions of high microbial activity, known as rhizospheres, where symbiosis between plants and microbes promote plant grplant growth.
Named HCR1, this gene reduces water entry into the roots when there's a lack of oxygen, but only when the soil is also rich in potassium, a mineral salt essential for plant growth.
Although hidden from view, roots are essential for plant growth and survival.
«Scientists discover C4 photosynthesis boosts growth by altering size, structure of plant leaves, roots
Scientists at Aarhus University have discovered that fungi associated with plant roots may improve growth and yield of drought - stressed wheat.
Seedlings (bottom) and roots (top) of Arabidopsis thaliana plants reveal that one variant of FRO2 gene (right) is better for growth in low - iron conditions than the other FRO2 variant (left).
This material has been tested as a fertilizer and has proven to stimulate the growth of several plant species, both forestry and herbaceous, increasing up to the 10 % its total content of nitrogen and carbon as well as an increase of its roots.
The majority of TNT remains in the roots of plants, where it inhibits growth and development.
Sur knew that, in plants, an enzyme called NADPH oxidase makes the ROS necessary for root hair growth.
fertilizer Nitrogen, phosphorus and other plant nutrients added to soil, water or foliage to boost crop growth or to replenish nutrients that were lost earlier as they were used by plant roots or leaves.
These pegs form during the plant's early growth stage to help the seedlings emerge from their hard seed coat and anchor the developing plant in the soil while its roots form.
They added that the impact of substrate on remediation appeared to lessen by the second season of the study; as the plants grew, root growth impacted infiltration, and nutrient uptake by the plants increased.
«As a result of an exhaustive investigation of the effects of various types of growth substances on plants, we have discovered that certain organic compounds exercise a pronounced stimulating effect on root - growth, and are highly valuable in promoting and inducing root - growth on plant slips or cuttings,» stated Zimmerman and Hitchcock in the patent application.
Farmers and scientists saw that they could promote the growth of young soybean plants by dipping the roots of these plants.
One of these happened to be IBA, which they found to be effective at triggering root growth in all kinds of plants.
UVALDE — A study by researchers at the Texas A&M AgriLife Research and Extension Center in Uvalde shows the use of externally introduced plant growth regulators can have a positive effect on onion germination and root structure.
«We hypothesized that soil amendment using lignite - derived humic substances would alter plant gas exchange, root growth and soil microbial activity, which in turn might mitigate potential crop losses under water - stress conditions,» he said.
fertilizer Nitrogen, phosphorusand other plant nutrients added to soil, water, or foliage to boost crop growth or to replenish nutrients that are removed earlier by plant roots or erosion.
WSMV reduces root growth, thus limiting the plant's ability to extract soil water and potentially decreasing water - use efficiency.
Plant roots grow due to cell division in the meristem and subsequent cell elongation and differentiation, a tightly coordinated process that ensures growth and adaptation to the changing environment.
fertilizer Nitrogen and other plant nutrients added to soil, water or foliage to boost crop growth or to replenish nutrients that removed earlier by plant roots or leaves.
Botanists from Ohio Weslyan University leverage the microgravity environment of the International Space Station to study root growth behaviors and sensory systems in an investigation known as Gravity Perception Systems (Plant Gravity Perception).
Bean plants that suppress secondary root growth in favor of boosting primary root growth forage greater soil volume to acquire phosphorus, according to Penn...
In the future, if we can fully decode the mechanism for increasing roots, we could potentially regulate the growth of various crops and garden plants by artificially altering root development.
Depending on the nature of plant - growth environment for sugarcane or beet root, sugarcane and / or beet molasses used in the fermentation process, may be highly concentrated in harmful things like insecticides etc..
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