Except as otherwise provided in this chapter, the notice of claim of lien shall remain in effect, and no new notice of claim of lien shall be required in order to maintain the lien, as long as the person who provides the agricultural chemicals and labor or agricultural seeds and labor either (1) remains unpaid for the amounts secured by the lien; or (2) continues to provide agricultural chemicals and labor or agricultural seeds and labor on a regular basis to the lien debtor. For purposes of this section, providing agricultural chemicals and labor or agricultural seeds and labor shall not be deemed to be made on a regular basis if a period of more than 45 days elapses between applications, deliveries, or preparations.