from The Century Dictionary.
- Untilled; uncultivated.
- Not manured; not enriched by manure.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Not
from Wiktionary, Creative Commons Attribution/Share-Alike License
For it is one thing to set forth what ground lieth unmanured, and another thing to correct ill husbandry in that which is manured.
Taking the circumstances most favourable to extreme loss -- viz., unmanured fallow land -- the highest amount registered at Rothamsted for a year is 54.2 lb. per acre from soil 20 inches deep, while the smallest amount is 20.9 lb.
The barley selected for observation was that of two experimental plots of the Royal Agricultural Society's farm, one (No. 1) remaining permanently unmanured, and showing minimum yield, the other (No. 6) receiving such fertilising treatment as to give maximum yields.
The surrounding country is beautifully diversified by hill and dale, grove and plain; the soil is rich, yielding abundant successive crops of grain and vegetable, unmanured; but the crops are sometimes destroyed by frost.
At the present time there are hundreds of citrus trees growing practically wild in different parts of the coastal country that are in vigorous health and producing heavy crops of good fruit, even though they are uncultivated, unpruned, unmanured, and have to hold their own against a vigorous growth of native and introduced shrubs, trees, and weeds.
There was further added to all the experiments (the unmanured ones, of course, as well) an excess of nitrogen and potash.
The best way to prepare ground for the summer crop is to select a piece that has been trenched, and go over it again, laying in a good body of rough green manure, one spade deep, so that the plant will be put on unmanured ground, but will reach the manure at the very period when it is needed, by which time contact with the earth will have rendered it sweet and mellow.
Amount of drainage and nitrogen as nitrates in drainage-water from unmanured bare soil, 20 and 60 inches deep 160
The average for thirteen years on unmanured fallow soil has been 37.3 lb. (for 20 inches), 32.6 lb. (for 40 inches), 35.6 lb. (for 60 inches).
Wheat grown continuously on same land (unmanured) 562