Iowa § 200.20 Phosphoric acid, nitrogen, and potash requirements

Iowa Statutes

§ 200.20 — Phosphoric acid, nitrogen, and potash requirements

Iowa § 200.20

Title VAGRICULTURE

Ch. 200FERTILIZERS AND BENEFICIAL SUBSTANCES

This text of Iowa § 200.20 (Phosphoric acid, nitrogen, and potash requirements) is published on Counsel Stack Legal Research, covering Iowa primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook

Iowa Code § 200.20 (2026).

Text

1.Except as provided in subsection 2, a person shall not sell, offer for sale, or distribute any of the following:

a.Phosphatic fertilizer containing less than eighteen percent available phosphoric acid (P O ). 2 5

b.Nitrogen fertilizer containing less than fifteen percent total nitrogen (N).

c.Potash fertilizer containing less than fifteen percent soluble potash (K O). 2

d.Mixed fertilizer in which the sum of the guaranteed analysis of total nitrogen (N), available phosphoric acid (P O ), and soluble potash (K O) totals less than twenty percent. 2 5 2

2.Subsection 1 does not apply to any of the following:

a.A specialty fertilizer.

b.A fertilizer designed to be applied and ordinarily applied directly to growing plant foliage to stimulate further growth.

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1. Except as provided in subsection 2, a person shall not sell, offer for sale, or distribute
any of the following:
a. Phosphatic fertilizer containing less than eighteen percent available phosphoric acid
(P O ).
2 5
b. Nitrogen fertilizer containing less than fifteen percent total nitrogen (N).
c. Potash fertilizer containing less than fifteen percent soluble potash (K O).
2
d. Mixed fertilizer in which the sum of the guaranteed analysis of total nitrogen (N),
available phosphoric acid (P O ), and soluble potash (K O) totals less than twenty percent.
2 5 2
2. Subsection 1 does not apply to any of the following:
a. A specialty fertilizer.
b. A fertilizer designed to be applied and ordinarily applied directly to growing plant
foliage to stimulate further growth.