. Control series bulletin. Feeds -- Analysis Periodicals; Fertilizers -- Analysis Periodicals. 22 Thirteen brands (11 per cent of the total number) showed a commercial shortage. The deficiencies in the several ingredients were as follows: — Brands deficient in nitrogen, 16 Brands deficient in potash, 47 Brands deficient in available phosphoric acid, 12 The summary of commercial shortages in the year's inspection, as compared with 1918, is given in the following table: — Commercial Shortages. More than S6 per ton Between $4 and $5 per ton, .... Between S3 and S4 per ton Between $2 and $3 per to
. Control series bulletin. Feeds -- Analysis Periodicals; Fertilizers -- Analysis Periodicals. 22 Thirteen brands (11 per cent of the total number) showed a commercial shortage. The deficiencies in the several ingredients were as follows: — Brands deficient in nitrogen, 16 Brands deficient in potash, 47 Brands deficient in available phosphoric acid, 12 The summary of commercial shortages in the year's inspection, as compared with 1918, is given in the following table: — Commercial Shortages. More than S6 per ton Between $4 and $5 per ton, .... Between S3 and S4 per ton Between $2 and $3 per ton, .... Between SI and $2 per ton, .... Under SI and not less than 50 cents per ton. Number or The following brands have shown a commercial shortage of $1 or over per ton, values of overruns being used in all cases to reduce the shortages: — Alphano Humus Co. — Prepared Alphano Humus, No. 955: nitrogen found, per cent, guaranteed, per cent; total phosphoric acid found, .59 per cent, guaranteed, .50 per cent; potassium oxide found, .04 per cent, guaranteed, .50 per cent. Upon the receipt of the advanced report of this analysis, the company requested that other samples be drawn and tested for potash as they felt confident that the average of this brand shipped into the State contained the minimum potash guaranteed. Two other samples were therefore secured and both showed serious deficiencies in potash, one testing .07 per cent and the other .08 per cent of actual potash. The explanation given by the company with reference to the shortage in potash shown in all of these samples was that the wood ashes which they were obliged to purchase and use as their potash source must have been leached. They furnished the information that hereafter nothing but potash salts would be used in furnish- ing the potash supplied in their material. American Agricultural Chemical Co. — Grass and Oats Fertilizer, No. 879: no nitrogen guaranteed; available phosphoric acid fou
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