
1) Cradle, so to speak 2) Cultivation place 3) Germination station 4) Hothouse area 5) Hothouse item 6) Makings of a plot 7) Place for planting 8) Planting area 9) Prepared plot 10) Soil for future transplants 11) Source of growth 12) Sprouting site
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https://www.crosswordclues.com/clue/seedbed

A seedbed or seedling bed is the local soil environment in which seeds are planted. Often it comprises not only the soil but also a specially prepared cold frame, hotbed or raised bed used to grow the seedlings in a controlled environment into larger young plants before transplanting them into a garden or field. A seedling bed is used to increase ...
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http://en.wikipedia.org/wiki/Seedbed
[performance piece] Seedbed is a performance piece first performed by Vito Acconci on 15–29 January 1972 at Sonnabend Gallery in New York. In the piece, there is a low wooden ramp merging with the floor. The ramp extends across the width of the room, beginning two feet up the side of one wall and slanting down to the middle of the floor. ...
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http://en.wikipedia.org/wiki/Seedbed_(performance_piece)

An area for raising seeds that has been weeded, forked over, firmed and leveled, with all stones and lumps of soil removed.
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http://www.bbc.co.uk/gardening/htbg/glossary/seedbed.shtml

(from the article `forestry`) ...seedlings almost invariably come from seed, although vegetative propagation from rooted cuttings is a useful technique of perpetuating valuable ... Seedbed-preparation procedures depend on soil texture and the desired change in size of aggregates. In soils of coarse texture, tillage will increase ... ...
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http://www.britannica.com/eb/a-z/s/58

An area of soil that has been leveled and raked to produce a fine tilth for sowing seeds into
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http://www.encyclo.co.uk/visitor-contributions.php

[
n] - a bed where seedlings are grown before transplanting
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http://www.webdictionary.co.uk/definition.php?query=seedbed

Land which has been cultivated sufficiently to provide a fine enough particle size and is firm enough to allow seeds to germinate quickly and evenly.
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https://www.encyclo.co.uk/local/20496
noun a bed where seedlings are grown before transplanting
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https://www.encyclo.co.uk/local/20974
No exact match found.