INSPECTION OF COMMERCIAL FERTILIZERS 49 



Sale of Commercial Fertilizers regulated. Label, Form and Contents. 



Section 250. No commercial fertilizer shall be sold or offered or exposed for 

 sale without a plainly printed label accompanying it, displayed in the manner 

 hereinafter set forth, and truly stating the following particulars: 



L The number of pounds of the fertilizer sold or offered or exposed for sale. 



2. The name, brand or trade mark, and in the case of fertilizer mixtures, the 

 fertilizer grade under which the fertilizer is sold, and, in the case of agricultural 

 lime, its particular form. 



3. The name and principal address of the manufacturer, importer or other 

 person putting the fertilizer on the market in the commonwealth. 



4. The minimum percentage of each of the following constituents which the 

 fertilizer contains and which, in case of fertilizer mixtures, shall be expressed in 

 round minibers and in the following order: (a) nitrogen, (b) available phosphoric 

 acid, (c) potash soluble in distilled water; except hat when undissolved bone, 

 untreated phosphate rock, tankage, pulverized natural manures, the ground seeds 

 of plants, or wood ashes are sold unmixed with other substances, the minimum 

 percentage of total phosphoric acid therein may be stated in place of the percentage 

 of available phosphoric acid; and except that in the case of agricultural lime the 

 label shall truly state the following: (a) minimum and maximum percentage of 

 total calcium oxide, (b) minimum and maximum percentage of total magnesium 

 oxide, (c) minimum percentage of calcium oxide and magnesium oxide combined 

 as carbonates, (d) and, in the case of gypsum or lafid plaster, the minimum per- 

 centage of calcium oxide and of calcium sulphate. 



5. If any part of the nitrogen contained in the fertilizer is derived from pulver- 

 ized leather, hair, wool waste, peat, garbage tankage, or from any inert material 

 whatsoever, unless processed so that its nitrogen shall show a satisfactory activity 

 by the ?nethods of the Association of Official Agricultural Chemists of North America, 

 the label shall truly state the specific materials from which such part of the 

 nitrogen is derived. 



When Label is to be affixed. 

 Section 25L When any fertilizer is sold or offered or exposed for sale in pack- 

 ages, the label shall be affixed in a conspicuous place on the outside thereof. When 

 any fertilizer other than the product of gas houses, known as gas house lime, is 

 offered or exposed for sale in bulk the label shall be affixed in a conspicuous place 

 to the bin or other enclosure where the fertilizer is contained but need not state 

 the number of pounds thereof, and when such fertilizer is sold in bulk the label 

 shall be affixed in a conspicuous place to the vehicle in which the fertilizer is 

 shipped or delivered, and shall state the number of pounds thereof. When any 

 fertilizer is sold in packages furnished by the purchaser the seller shall furnish 

 the labels therefor. 



Certain Provisions of Label recognized as Guaranteed Analysis. 

 Section 252. The provisions of the printed label required under the two pre- 

 ceding sections relating to the constituents contained in any fertilizer shall be 

 known and recognized as the guaranteed analysis of such fertilizer. 



Sale of Certain Commercial Fertilizers forbidden. 



Section 253. No person shall sell, offer or expose for sale a commercial fertili- 

 zer or brand of commercial fertilizer, any constituent part of which is of a smaller 

 percentage than as stated on the label of said fertilizer, and no person shall sell, 

 offer or expose for sale a fertilizer or brand thereof with a label which is untrue in 

 any particular. 



