Sentences with phrase «in nitrogen fertilization»

When he tested soils from the experimental plots, he saw soil organic carbon concentrations rise gradually with increases in nitrogen fertilization at soil depths from 0 to 6 inches, although not at deeper ones.

The doubling of production during the last 35 years was associated with a 6.9 fold increase in nitrogen fertilization, 3.5 fold increase in phosphorus fertilization and a 1.7 fold increase in irrigated land90.

Not exact matches

Fertilization with mineral nitrogen has been shown to inhibit CH4 - oxidation in soils.

Especially in agricultural soils elevated N2O production depends on the nitrogen fertilization level105.

Ecologist Knute Nadelhoffer of the Marine Biological Laboratory in Woods Hole, Massachusetts, wanted to explore whether nitrogen fertilization might help explain how terrestrial ecosystems store 1800 - billion kilograms of carbon each year.

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.

Emissions decreased as the proportion of soybeans in the diet increased, as soybeans require less nitrogen fertilization than corn grain.

Possible mechanisms include (iv) fertilization of phytoplankton growth in the Southern Ocean by increased deposition of iron - containing dust from the atmosphere after being carried by winds from colder, drier continental areas, and a subsequent redistribution of limiting nutrients; (v) an increase in the whole ocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient exported.

http://www.sciencedirect.com/science/article/pii/S0921818116304787 «Unfortunately, a new study by Reich and Hobbie (2) in Nature Climate Change indicates that nitrogen availability does indeed constrain the CO2 fertilization effect over the long term, at least for grassland plants.»

http://www.sciencedirect.com/science/article/pii/S0921818116304787 «Unfortunately, a new study by Reich and Hobbie (2) in Nature Climate Change indicates that nitrogen availability does indeed constrain the CO2 fertilization effect over the long term, at least for grassland plants.»

In experiment after experiment, scientists find that the CO2 fertilization effect is short - lived without additional inputs of nutrients, particularly nitrogen..

(``... oxides of nitrogen are formed in internal combustion engines that can be deposited as nitrates also contributing to fertilization of plant materials.»)

Increased uptake in the past decade may be a consequence of a reduced rate of deforestation [217] and fertilization of the biosphere by atmospheric CO2 and nitrogen deposition [187].

After that come a bunch of ocean fertilization schemes, using phosphorous, nitrogen and iron, all of which offer something in the region of 0.1 - 0.2 W / m ².

Modeling and field studies confirm a major role of nitrogen deposition, working in concert with CO2 fertilization, in causing a large increase in net primary productivity of temperate and boreal forests.

This fast - growing tree prefers well - drained soil and full sun to part shade, and because it's in the pea family, can get some of its nitrogen from the air so that only light fertilization is necessary.

In addition, oxides of nitrogen are formed in internal combustion engines that can be deposited as nitrates also contributing to fertilization of plant materialIn addition, oxides of nitrogen are formed in internal combustion engines that can be deposited as nitrates also contributing to fertilization of plant materialin internal combustion engines that can be deposited as nitrates also contributing to fertilization of plant materials.

The climate feedbacks involved with these changes, which are key in understanding the climate system as a whole, include: + the importance of aerosol absorption on climate + the impact of aerosol deposition which affects biology and, hence, emissions of aerosols and aerosol precursors via organic nitrogen, organic phosphorus and iron fertilization + the importance of land use and land use changes on natural and anthropogenic aerosol sources + the SOA sources and impact on climate, with special attention on the impact human activities have on natural SOA formation In order to quantitatively answer such questions I perform simulations of the past, present and future atmospheres, and make comparisons with measurements and remote sensing data, all of which help understand, evaluate and improve the model's parameterizations and performance, and our understanding of the Earth systein understanding the climate system as a whole, include: + the importance of aerosol absorption on climate + the impact of aerosol deposition which affects biology and, hence, emissions of aerosols and aerosol precursors via organic nitrogen, organic phosphorus and iron fertilization + the importance of land use and land use changes on natural and anthropogenic aerosol sources + the SOA sources and impact on climate, with special attention on the impact human activities have on natural SOA formation In order to quantitatively answer such questions I perform simulations of the past, present and future atmospheres, and make comparisons with measurements and remote sensing data, all of which help understand, evaluate and improve the model's parameterizations and performance, and our understanding of the Earth systeIn order to quantitatively answer such questions I perform simulations of the past, present and future atmospheres, and make comparisons with measurements and remote sensing data, all of which help understand, evaluate and improve the model's parameterizations and performance, and our understanding of the Earth system.