The phrase "ample period" is correct and usable in written English.
It can be used to refer to a sufficient or generous amount of time allocated for a specific purpose or activity.
Example: "We will provide an ample period for feedback before finalizing the project."
Alternatives: "sufficient time" or "generous timeframe".
An ample time period is also planned for poster presentations during the lunch mixer.
Any of the foregoing would have to be introduced gradually and with ample transition periods to give market participants time to adjust.
Few reports have been published of the current clinical management of anti-Kell alloimmunization in pregnancy; its low frequency of occurrence means that the few long series published have covered very ample time periods in which different kinds of clinical management have overlapped.
There is ample precedent for periods of retrotransposition associated with species-specific genome expansion in angiosperms.
But, as Allen remarked, "in Vatican speak, if someone says the pope is going to give you an 'ample' period of time you normally think that means 15 minutes".
That period provided ample material for when he launched his comedy career in Washington and New York.
The makers of early examples, in the late 17th and the 18th centuries, were not motivated by the amorous considerations with which later generations have credited them; their concern was allowing more space for the ample dresses of the period.
We estimate Netflix's U.S. streaming subscribers will increase from around 40 million in 2014 to nearly 60 million by the end of our forecast period, given ample growth opportunities in the unsaturated U.S. home entertainment market.
In Chaco's northern reaches lies another cluster of Great Houses; among the largest are Casa Chiquita ("Small House"), a village built in the AD 1080s, when, in a period of ample rainfall, Chacoan culture was expanding.
