Section 1905 - Prohibitions(a) No agricultural liming material shall be sold or offered for sale in this State unless it contains the minimum of calcium and magnesium, as stated in § 1903(b)(1) and (2).(b) No agricultural liming material shall be sold or offered for sale in this State which contains toxic materials in quantities injurious to plants.3 Del. C. 1953, § 1905; 57 Del. Laws, c. 690; 57 Del. Laws, c. 764, § 9.;