Example sentences of "[noun] over a longer period [conj] " in BNC.

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1 Light : Requires plenty of bright light over a longer period than is required by most other plants .
2 Light : Requires bright light over a longer period than is required for most aquarium plants .
3 Light : Needs very good light over a longer period than is used for other water plants Water temperature : 68°–78°F .
4 Spruce needles certainly take longer to decay than some other leaves , releasing humic acid over a longer period but at a slower rate , but being a long standing constituent of the northern latitudes coniferous belt , spruce ( Picea ) is quite compatible with lakes well stocked with fish .
5 Changing the law to place NationalPower and Power-Gen under a legal obligation to agree fixed contracts for specified tonnages over a longer period than the current year was hinted at by Michael Heseltine , the President of the Board of Trade , in evidence to the energy select committee last year .
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