Sentence examples for topsoil layer from inspiring English sources

The pattern was consistent, although the effects were statistically significant only in the topsoil layer.

Compaction was an issue due to high clay content soils and shallow topsoil layer and likely to get worse.

Topsoil layer (0 10 cm) contribute up to 60% of the total nutrient contents in soils.

OM accumulation in the topsoil layer was found to be the main factor adversely affecting soil permeability.

Significant correlations were also observed for available K vs. bulk density in the topsoil layer (0 30 cm) and bottom layer (below 60 cm) (P < 0.05).

Macropore flow appears to be controlled by the interaction between the bulk density of the uppermost topsoil layer (0 0.10 m) and the macroporosity of the soil below.

ATR and TBA application rates higher than registered generally did not significantly influence the herbicide biodegradation rates or dissipation from the topsoil layers.

It is concluded that diverse winter AMF communities are present in temperate grassland soils, and that plant roots colonizing subsoils harbour similar and equally diverse AMF assemblages than those present in topsoil layers.

Experimental data were collected in the southern boreal zone from topsoil layers of adjacent spruce forest, unmanaged meadow (former field) and organically cultivated field that all shared the same soil origin.

The aim of this study was to evaluate the factors influencing the heavy metal contents in such topsoil layers of vegetated infiltration swales near highways, roads, and parking lots.

The short, cool growing season meant that plants developed slowly, which in turn meant that topsoil layers were shallow and lacking in soil constituents, like organic humus and clay, that hold moisture and keep soil resilient in the face of strong winds.