delve

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References in periodicals archive ?
Bailey G, Hughes B (2012) An observational study of clay delving and its impact on the A2 horizon in sand over clay soils.
Bailey G, Hughes B, Tonkin R, Dowie R, Watkins N (2010) Gross soil modification of duplex soils through delving and spading.
Fielke JM, Chaplin P (1997) An application of tine configuration to obtain subsoil delving for the management of non-wetting sands.
Rebbeck M, Lynch C, Hayman PT, Sadras VO (2007) Delving of sandy surfaced soils reduces frost damage in wheat crops.
2013) at random locations over the delving lines, off the delving lines, and in undelved soil.
A representative area of the delved profile was selected and a transect was made perpendicular across the delving fines with a delving fine at the centre.
Delving significantly increased the average steady-state infiltration rate at the soil surface (on the delving line) at site C, and increased this rate at site A but not by a statistically significant amount; there was no apparent effect of delving on infiltration at site B (Table 4).
In the delved soil, the dye staining was consistent with the infiltration results shown in Table 4 in which greater depths of infiltration corresponded with greater infiltration rates along the delving lines.
The 'dry' condition experiments (Figs 5a, 6 a and Tables 5, 6) showed a considerable effect of clay delving on water penetration and redistribution; the difference in the proportion of wet (stained) profile between treatments was highly significant (P< 0.
By contrast, the A-B boundary on the delving line was broken and this allowed water to penetrate deeper into the soil with no ponding.