Sentences with phrase «for plant growth»

Especially phosphorus and nitrogen are essential for plant growth and their availability limits the productivity of plants.

The signal is transmitted through several strips of colored LED lights, arranged in a circle providing the frequencies of light required for plant growth.

In winter months cold temperatures are often a limiting factor for plant growth.

All three are important elements associated with plant growth; however, some were produced in excess of what would be needed for plant growth.

In particular, the new study examined phosphorus, a nutrient critical for plant growth.

It is a fundamental requirement for all plant growth.

With even a small rise in temp, there would be more rainfall and deserts would shrink providing more land area for plant growth.

Number one with a bullet is that carbon dioxide is a killer when in fact is is the life - giving catalyst for plant growth.

Although hidden from view, roots are essential for plant growth and survival.

Re # 53: First off, it is unclear whether CO2 is the limiting factor for plant growth (particularly now).

Siderophores are very important for a plant growth - promoting bacteria (PGPB), since they fulfill relevant activities in the rhizosphere to promote plant growth and control phytopathogens (20,21).

Performing physical analysis to figure out the best design parameters of our robotic arm according to the shear capacitance of the soil and performing chemical analysis to figure out the organic content in the soil for plant growth helped me relate this to Mars and come up with the best approaches to analysis and instrument requirements for human exploration of Mars.

However, the changes in climatic conditions arising from climate change could represent a far more important factor here: i.e. temperatures that increasingly exceed the optimum level for plant growth, like those experienced this summer, shifts in the vegetation periods, and more frequent droughts.

Nitrogen (N) is an essential nutrient for plant growth, and nitrogen fertilization — including the application of manures — is a major management strategy in agriculture across the globe.

Although rules like this are commonly applied (in simulation models for plant growth, for example), until now they have only ever been tested in the two dimensions that make up the flat plane.

Some climate change effects will be beneficial for plant growth (e.g., elevated CO2 concentrations and longer frost - free seasons), while others will be detrimental (e.g., plant damage due to extreme events, increased weed growth, new or expanded pests and diseases).

This is probably a healthier situation for plant growth in that an oversupply of a nutrient such as nitrogen can lead to lush, succulent tissue growth which is more vulnerable to fungal and bacterial entry, more appealing to some insects, and more prone to stress injury from heat, cold, or drought.

For example, in a project on plants, the goal for the slower student might be to learn about the requirements for plant growth while for the other students the goal might be to learn about photosynthesis.

Nitrogen — an essential element for plant growth — is often woefully absent in heavily farmed land.

Dr. Spann is also a past President and Vice President for the Plant Growth Regulation Society of America.

Changes in N2 fixation due to global warming will alter N input to arctic ecosystems with significant consequences for plant growth.

«Gene required for plant growth at warmer temperatures discovered.»

They explained that blue and red LEDs are usually used for plant growth because chlorophyll a and b efficiently absorb wavelengths in the blue and red ranges.

These natural fertilizers are decisive for plant growth, so mutualism with the mychorrhizal fungus is beneficial even if the fungus does not always cooperate fully.

«The last few decades have brought warmer and wetter conditions to the Adirondacks, which are typically good for plant growth,» said Dr. Colin Beier, an associate professor of ecology at ESF who supervised Bishop's thesis research.

Isolation and characterization of N2 - fixing bacteria from giant reed and switchgrass for plant growth promotion and nutrient uptake — Jia Xu — Journal of Basic Microbiology

Compost is what happens when organic material (like food and plant debris) breaks down to become organic, nutrient rich fertilizer for plant growth.

For example, a change in pH may increase the solubility of phosphorus, making it more available for plant growth and resulting in a greater long - term demand for dissolved oxygen.»

These biodegradable, self - contained packages of native plants, each customized to planting sites, are engineered to create a supportive base for plant growth.

The metabolic processes that are responsible for plant growth and maintenance and the microbial turnover, which is associated with dead organic matter decomposition, control the cycle of carbon, nutrients, and water through plants and soil on both rapid and intermediate time - scales.

«We were witnessing for the first time nature's withdrawing CO2 from the air for plant growth during summer and returning it each succeeding winter,» Keeling was quoted as saying by the Scripps Institution of Oceanography.

However, vegetation is very sensitive to climate and levels of atmospheric CO2, the primary substrate for plant growth.

Although some regions in China, Russia and Canada will see an improvement, around 2.1 billion people who rely on forests and agriculture for food and revenue could lose 30 % of the days they now bank on for plant growth.

The optimum level of CO2 for plant growth is about 5 times higher, 2000 ppm, yet the alarmists warn it is already too high.

Leaf area is an indicator for plant growth and critically determines drought responses.

In fact, atmospheric CO2 levels at 400 ppm are approximately one - third the optimum required for plant growth as commercial greenhouses demonstrate by raising levels to 1200 ppm for increased yields.

Here we provide a global - scale perspective, using climate model projections (S1 Table) and available socioeconomic and ecological data (S2 Table), to assess how projected climate change will affect the suitability of the planet for plant growth and evaluate potential implications of these changes for ecosystems and people.