Food and Agricultural Code § 57555

“Reasonable or agreed charges” means the agreed price, if any, for agricultural chemicals or agricultural seeds sold to the lien debtor, at the lien debtor’s request, and for labor. If there is no agreed price or a method for determining price which is agreed upon, “reasonable or agreed charges” means the reasonable value of the agricultural chemicals and labor or agricultural seeds and labor as of the date of application, delivery, or preparation.