Horizontal transport of aqueous As across the soil plug
A bulb planter will make the job easier as it has a spring action soil plug
release and a planting depth gauge.
Per capita mortality was summarized by soil plug
or, in the case of the nontransplanted references, for all individuals within each 6 cm diam ring.
Individual intact tillers in the soil plug
and loose tillers in the Noer sampler were counted (Brede and Duich 1982).
Temporary extensions were used at the top of the piles to maintain the equilibrium of water levels within and outside the piles and to prevent the soil plug
at the bottom from dislodging prior to placement of the seal course.
You press the clamping cylinder into the ground with your foot, squeeze the lever on the handle to clamp the soil, and remove the soil plug
The sampling teams will be pulling soil plugs
for analysis, looking for unusual levels of lead or arsenic in the soil.
Those soil plugs
lying on your lawn's surface will dry out while you do this.
The dethatcher also helps to break down the soil plugs
the aerator leaves behind.
Rake up the thatch and soil plugs
left lying on the grass after the above treatment.
If the soil plugs
are not too compacted, they can be broken apart and left as topdressing.
At the heath, five 10 cm deep soil plugs
were collected randomly from the humus layer of each plot on 16 June, 21 July, and 3 September.