Haw. Code R. § 4-93-7
Current through November, 2024
Fertilizer, plant food and plant nutrient shall, in addition to all other requirements of this chapter, bear a clear, prominent and factual statement of available nitrogen, phosphorus and potassium content, in per cent of weight. This declaration may be identified as "NPK" and shall be part of the identity statement.
Haw. Code R. § 4-93-7