The phrase "and devote the next" is correct and usable in written English.
It can be used when indicating a commitment of time or effort towards a specific task or activity.
Example: "I plan to finish my current project and devote the next few weeks to preparing for the upcoming presentation."
Alternatives: "and dedicate the next" or "and commit the next".
Why didn't we drive straight back to LA after skiing, rather than spending the night in the car and devoting the next day to an eastward loop into Death Valley?
Resettling in Dad's home state of Washington, she re-cut his Army uniform into clothing for us kids and devoted the next 20-odd years to motherhood -- without much help from Dad, an over-busy doctor in a town of 5,000.
Like Mr. Warrillow, my husband and I chose to switch gears and devote the next year to selling our business.
Hoyvald made the fateful decision to reject Hillabush's advice, and to devote the next eight weeks to moving the tainted products as fast as possible.
After returning to his Pacific, Palisades home tonight, Mr Reagan planned to rest for two days and then devote the next two weeks to his California campaign, spending the first week in the southern part of the state and the second in the northern.
Gail Collins: Unless you happen to be the son of a president, the rule seems to be that you have to run unsuccessfully but manically, and then, after you lose, devote the next several years to wandering around looking eligible.
As this plan is so comprehensive and coherent, it must be shared with the public, and as our contribution, we will devote the next several blog posts to its explanation in some detail and distribution to a worldwide public without whose support these essential recommendations cannot succeed.
Judge Doherty, a Republican and former prosecutor, said he would devote the next two weeks to hearings for 12 other boys he has sentenced who are at Jena, to determine whether he can also remove them.
