Biological nitrogen fixation in corn

Corn ( Zea mays L.) can establish rhizospheric or endophytic associations with various nitrogen-fixing bacteria (diazotrophs) such as Azosp...

Effects of biosolids application on N mineralization

Sewage sludge is the solid, semi-solid or liquid residue generated during the treatment of domestic sewage. Biosolids are the treated form o...

Concentration affects plant uptake of inorganic and organic forms of N

It is now recognized that plants take up N from the soil in three forms: nitrate , ammonium , and amino acids (dissolved organic N) . Althou...

Effects of elevation on N cycling in tropical forests

Scientists predict that tropical regions will receive the most dramatic increase in nitrogen (N) deposition over the next decades. This is d...

The importance of N:P ratio

Soil fertility in terrestrial ecosystems has received increased attention from ecologists since it is now widely recognized that nutrient av...

Relation between N mineralization and latitude

The global distribution of soils is a function of climate and thus is related to latitude. Consequently, soil processes are known to vary wi...