Report of the Commissioner - United States Commission of Fish and Fisheries . ures of the ingredients and therespective proportions required vary according to the soil and tliecrop for which the compound is intended. Although the agricultural value of dried fish scrap is nearly equalto that of Peruvian guano, the market j)rice is much below that arti-cle. In explanation of this fact it may be stated that fish scrap is notin such compact and good mechanical condition for sliipment and gen-eral use. Its value as a fertilizing agent has not been so widely Icnownas that of Peruvian guano, and thus
Report of the Commissioner - United States Commission of Fish and Fisheries . ures of the ingredients and therespective proportions required vary according to the soil and tliecrop for which the compound is intended. Although the agricultural value of dried fish scrap is nearly equalto that of Peruvian guano, the market j)rice is much below that arti-cle. In explanation of this fact it may be stated that fish scrap is notin such compact and good mechanical condition for sliipment and gen-eral use. Its value as a fertilizing agent has not been so widely Icnownas that of Peruvian guano, and thus its princii)al use is lai-gely limitedto the manufacturers of superphosphates, wlio are forced bj- compe-tition to exercise great caution in the cost of manufacture. And,furthermore, there is a tendency to reduce the quantity of ammonia andincrease that of phosphoric acid and potash in complete fertilizers tomeet the i-equirements of the soil. Other ammoniated materials nowcompete with fish guano in the nuiking of superphospliates, among Report U. S. F. C. 1902. Plate ARTIFICIAL DRIER IN FACTORY OF FISHERIES COMPANY. PROMISED LAND, NEW YORK.(SEE P.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfisheries, bookyear19
