Sentence examples for per unit of soil from inspiring English sources

For both aggregate classes, the recombined sum of respired CO2 C per unit of soil organic carbon equaled the bulk soil, proving that our aggregate separation preserved the original aggregates as intact functional units.

An effort has been made to overcome the concern through measuring the concentration of allelochemicals in the P. australis rhizosphere soil (Uddin et al. 2012), considering the osmotic potential of higher concentrations (Uddin et al. 2014a), adjusting pH, and measuring the quantity of litter biomass produced per unit of soil or covered area.

But even if the authors' findings were significant after applying a correction, there is still another issue: the authors determined the levels of each bacterial species as a percentage of the whole community, and not as their number per unit of soil, which is more relevant to the potential biological effect of any difference between the fields.

The magnitude of NPP per unit of land varies with the soil quality, climate condition, type of land cover, and by species.

However, the highest values of specific activity (per unit of organic carbon) recorded in the deep horizons of the Typic Ustipsamment soil suggested more efficient hydrolytic activity of organic substrates due to oxygenation of soil.

Root length density (the length of roots per unit volume of soil, RLD m m−3) at different soil depths was also calculated.

Maas and Hoffmann (1977) and Ayers and Westcot (1985) presented yield loss per unit increase of soil salinity excessive from soil salinity threshold value (ECe), where yield decrease starts (ranging from 1.5 dS/m for sensitive to 10 dS/m for salt-tolerant crops).

Soil bulk density is the weight of the solid particle size per unit volume of soil, including pores, under natural structure.

The products of residue decompositions (polysaccharides and humus) acted as binding materials on the soil particles, hence, improving the soil pore volume, aggregation and structure, and reducing the density per unit volume of soil ([Ogbodo 2010]).

However, a higher probability of Salmonella detection in the litter samples was observed for the soils with a higher moist bulk density (the weight per unit of volume of the soil of material that is less than 2 mm in diameter).

NUE is defined as the amount of biomass and grain yield produced per unit of available N in the soil [ 15].