Examples of in tray

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Patterns of virus infection were found to be similar over time in trays with a parasitoid present and in control trays.
Seeds were then germinated in a shadecloth 'nursery' (4% full daylight), in trays 5 cm deep filled with forest topsoil.
Plants did not touch each other and were placed in trays filled with water to prevent insects from moving between plants.
More plants were infected in trays with a predator present at all except the latest spray time (table 2, fig. 2).
In contrast, in trays with a predator present, the infections appeared to be random with respect to rows for all spray times (table 2).
The seedlings were planted in trays filled with unsterilized peat.
Levels of relative humidity were maintained within the range of 60-80% by providing free water in trays in the cabinets when necessary.
These seedlings were placed in trays that were randomly assigned to a salinity treatment: control (0), 5 and 10.
Levels of relative humidity were maintained within the range of 60-90% by providing free water in trays in some of the cabinets when necessary.
However, more larvae were recovered from soil closest to caecal faeces in trays with heather present than in trays without (fig. 2).
Water levels were maintained by placing the seed trays (with holes in the bottom), covered with transparent polystyrene lids, in trays of water.
All seeds i and seedlings were transported to a shade house and were planted in trays filled with unsterilized commercial peat.
Prior to 1948, under the approved societies scheme, the frames were shown in trays.
From the
Hansard archive