Section 14556.
Cal. Food and Agricultural Code - FAC § 14556.
in effect“Primary plant nutrient” means nitrogen (N), available phosphoric acid (P
2
O
5
), or soluble potash (K
2
O).
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026