英语词汇“to harden off”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

12. transitive. to harden off: to acclimatize (a plant) to cold or outdoor conditions by gradually reducing the temperature of a greenhouse, cold frame, etc., or by increasing the time of exposure to wind and sunlight. Also intransitive: (of a plant) to become acclimatized through this process; (in extended use, of an animal) to become more robust.

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the world > food and drink > farming > gardening > management of plants > [verb (transitive)] > harden off

to harden off1827

harden1852

1827 R. Sweet Brit. Flower Garden II. Pl. 185 When rooted, the glass should be removed from them altogether, to harden them off for transplanting.

1839 E. Sayers Amer. Fruit Garden Compan. iv. i. 147 As the weather grows warm,..the plants should be placed into a separate frame to harden off.

1854 Mag. Hort. May 248 Such kinds as were forwarded in the hot-bed may now be hardened off for planting in the open ground.

1904 Gardeners' Chron. 20 Feb. 119/1 As soon as the seedlings are in rough leaf harden them off.

1970 C. Lloyd Well-tempered Garden ii. 54 When they [sc. the cuttings] have rooted, they can be..returned to a close atmosphere but then gradually hardened off by the admission of more air.

1976 T. Hooper Guide to Bees & Honey iii. viii. 176 The new queen..is usually easy to find because she is light in colour and fairly slow in her movements, not having had time to ‘harden off’.

1993 Your Garden May 26/2 Once they have hardened off, the hardiest bedding plants such as pansies, violas and antirrhinums can be planted out in the beds as these will tolerate a little frost.

2013 Waitrose Weekend 9 May 22/2 Although traditionally done with a coldframe, you can harden-off plants perfectly well using cloches, a sheet of garden fleece or an old newspaper.

单词	to harden off
释义	> as lemmas to harden off 12. transitive. to harden off: to acclimatize (a plant) to cold or outdoor conditions by gradually reducing the temperature of a greenhouse, cold frame, etc., or by increasing the time of exposure to wind and sunlight. Also intransitive: (of a plant) to become acclimatized through this process; (in extended use, of an animal) to become more robust. ΘΚΠ the world > food and drink > farming > gardening > management of plants > [verb (transitive)] > harden off to harden off1827 harden1852 1827 R. Sweet Brit. Flower Garden II. Pl. 185 When rooted, the glass should be removed from them altogether, to harden them off for transplanting. 1839 E. Sayers Amer. Fruit Garden Compan. iv. i. 147 As the weather grows warm,..the plants should be placed into a separate frame to harden off. 1854 Mag. Hort. May 248 Such kinds as were forwarded in the hot-bed may now be hardened off for planting in the open ground. 1904 Gardeners' Chron. 20 Feb. 119/1 As soon as the seedlings are in rough leaf harden them off. 1970 C. Lloyd Well-tempered Garden ii. 54 When they [sc. the cuttings] have rooted, they can be..returned to a close atmosphere but then gradually hardened off by the admission of more air. 1976 T. Hooper Guide to Bees & Honey iii. viii. 176 The new queen..is usually easy to find because she is light in colour and fairly slow in her movements, not having had time to ‘harden off’. 1993 Your Garden May 26/2 Once they have hardened off, the hardiest bedding plants such as pansies, violas and antirrhinums can be planted out in the beds as these will tolerate a little frost. 2013 Waitrose Weekend 9 May 22/2 Although traditionally done with a coldframe, you can harden-off plants perfectly well using cloches, a sheet of garden fleece or an old newspaper. extracted from hardenv. < as lemmas
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