Sentences with phrase «available nitrogen as»
These are places where the ocean chemistry is right for iron fertilization, that is, where there is available nitrogen as nitrate or ammonia, and phosphorus.
http://www.realclimate.org/ Not exact matches
Synthetic fertilizer is available as a variety of commercial products, with different nitrogen - release times, whereas manure and pulse crops need to be broken down by microbial decomposition before nitrogen becomes available.
For example, bacteria in soil release nitrogen and phosphorus as they break down dead plants, and so these microbes could increase the amount of available nitrogen and phosphorus.
«This increases the nutrients — such as carbon, nitrogen and available phosphorus — in the topsoil.»
In other words, with more nitrogen available, plant life might be able to absorb more CO2 than climate scientists have been estimating, which means the planet won't warm as much, despite mankind's pumping CO2 into the atmosphere.
As a 2003 study published in the same Science journal put it, «there will not be enough nitrogen available to sustain the high carbon uptake scenarios.»
However, the diesel won't cross the pond in the same specification available in Europe, as the SkyActiv - D powerplant has to be tweaked to meet the more stringent U.S. regulations for nitrogen oxide emissions.
While organic agriculture practices result in higher soil organic matter (SOM) contents and, in turn, higher nutrient - and water - supplying potential to crops, transition to organic farming typically involves a lag time of several years in which yields can suffer and input demands increase as rebuilding soil microbial communities compete with crops for nitrogen and other available nutrients (Simmons and Coleman, 2008).
The $ 30 million overhaul was made without installing, as required under the New Source Review requirements of the Clean Air Act, the best available technology to minimize emissions of sulfur dioxide and nitrogen oxides — pollutants that harm human health by contributing to heart attacks, breathing problems, and other health problems, the suit alleges.
In other words, with more nitrogen available, plant life might be able to absorb more CO2 than climate scientists have been estimating, which means the planet won't warm as much, despite mankind's pumping CO2 into the atmosphere.