Definitions
from The Century Dictionary.
- Not leached: as applied to wood-ashes, implying an important distinction, since such ashes when unleached, or not exhausted of soluble matter by the action of water, have notable manurial value on account of the potash salts which are present; but the value on this account is almost entirely lost after leaching.
Etymologies
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Examples
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By our method the stump is burned and the finest kind of unleached wood ashes -- containing lime to "sweeten" and potash and phosphoric acid to furnish plant food -- are spread upon the ground a few hours after the stumps are blown out.
Three Acres and Liberty Bolton Hall 1896
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It includes some of the driest places in Montana and unleached, light-colored soils are common.
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Locally, soils developed from loess, or in the north, from Pre - Wisconsinan drift; relatively unleached Wisconsinan till is absent unlike in the Glaciated Triassic Lowlands (64e) where it is common.
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Lacks the numerous lakes, relatively unleached Wisconsinan glacial deposits, and associated soils of the Glaciated Reading Prong (58i).
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Scattering dry, unleached wood ashes over the plants as soon as they are up, while they are wet with dew, and continuing this as often as once a week through the month of June, is said to prevent the deposit of eggs on the plants.
Scientific American Supplement, No. 803, May 23, 1891 Various
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The unleached dry excrements of dunghill fowls and pigeons, have five times the fertilising power on all cereal plants that the dry dung of a grass-fed cow has, although the latter has five times more carbon, oxygen, and hydrogen, per 100 pounds, than the former.
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At the time the medium for layering the nuts is being prepared, it will be well, if ants are present in the section where the nuts are to be stored, or later placed in nursery bed, to mix a liberal percentage of unleached wood ashes with the sand, sawdust or loam, say one part in five, more or less.
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The average composition of unleached wood ashes in the market is about as follows: Potash, 5.2 per cent; phosphoric acid, 1.70 per cent; lime, 34 per cent; magnesia, 3.40 per cent.
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For gardens unleached wood ashes make a valuable fertilizer because they supply potash.
Agriculture for Beginners Revised Edition Frank Lincoln Stevens 1902
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-- The original source of phosphoric acid as a fertilizer was animal bone, just as hard-wood, unleached ashes were the source of potash.
Crops and Methods for Soil Improvement Alva Agee 1900
ruzuzu commented on the word unleached
"Not leached: as applied to wood-ashes, implying an important distinction, since such ashes when unleached, or not exhausted of soluble matter by the action of water, have notable manurial value on account of the potash salts which are present; but the value on this account is almost entirely lost after leaching." -- Cent. Dict.
June 1, 2011