Kidderminster have sold over 300 season tickets to date.
A new irrigation system is set to be installed at Chester's Deva Stadium.
Spennymoor have sold close to 200 tickets so far.
Season tickets at Darlington go on sale from next Sunday. Seated adult tickets will cost £320.
Halifax are to install a new 'hybrid' pitch, which is a 95% grass and 5% synthectic mixture. Funding of £400,000 towards the project is coming from the Football Foundation.