| 单词 | bone dust |
| 释义 | > as lemmasbone dust bone dust n. ground or crushed bone, esp. used for industrial purposes or as a fertilizer; cf. bonemeal n. ΘΚΠ the world > food and drink > farming > cultivation or tillage > preparation of land or soil > fertilizing or manuring > [noun] > use of other natural fertilizers > other natural fertilizers marl1280 pomacec1450 cod's head1545 buck-ashes1563 bucking-ashes1577 guano1604 greaves1614 rape cake1634 muck1660 wool-nipping1669 willow-earth1683 green dressing1732 bone flour1758 bone powder1758 poudrette1764 bone dust1771 green manure1785 fish-manure1788 wassal1797 lime-rubbish1805 Bude sand1808 bone1813 cancerine1840 inch-bones1846 bonemeal1849 silver sand1851 fish guano1857 food1857 terramare1866 kainite1868 fish-flour1879 soil1879 fish-scrap1881 gas lime1882 bean cake1887 inoculant1916 1771 A. Young Farmer's Tour E. Eng. I. v. 291 This manure..was spread on the same field, and the effect was exactly the same as of the bone dust. 1848 Gardeners' Chron. 1 July 437/3 The clergyman had..put a handful of bone-dust under every tree and shrub. 1989 A. C. Davies Sci. & Pract. Welding (ed. 9) I. ii. 80 Bone dust, sand and burnt clay are used for packing in place of iron oxide, the temperature being about 850°C. 2012 Bull. Ecol. Soc. Amer. 93 210 In 1836–1838 Lawes used bone dust as a fertilizer for turnips, without effect. < as lemmas |
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