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Show Fertilizers Show Nitrogen Content Change in Labeling Regulations Regula-tions Affects Northeastern North-eastern States. (Prepared by the United States Department of Agriculture.) WNU Service. An Important change in ' regulations for labeling fertilizers which will affect af-fect farmers of twelve northeastern states is the transfer from ammonia content to nitrogen as the basis for labeling. This change became effective effec-tive January 1 In the New England states and in New York, New Jersey, Pennsylvania, Delaware, Maryland, West Virginia, says Dr. Oswald Schreiner, chief of the division of soil fertility, bureau of chemistry and soils, United State Department of Agriculture. Agricul-ture. Doctor Schreiner believes the I change is desirable from most points ! of view. He points out that nitrogen In the ammonia form Is present In only a few of the fertilizer materials which are commonly used, although nitrogen is present in several dlffereut forms in such fertilizer materials as sulphate of ammonia, nitrate of soda, calcium cyanamid, calcium nitrate, potassium nitrate, ammonium phosphate, phos-phate, tankage, fish meal, cottonseed meal, and other animal and plant byproducts. by-products. It is thus desirable that the name of the element nitrogen, and not the equivalent In one of the particular par-ticular forms in which It occurs, should appear on fertilizer labels. The fact that 1 per cent of nitrogen is the equivalent of 1.22 per cent of ammonia am-monia has also led to some confusion because of the Indiscriminate use of the two terms as applied to fertilizer content, says Doctor Schreiner. The new regulations require that the percentages of plant food be stated in whole numbers and not in fractions for all mixed fertilizers. There will be printed on the bag a simplified statement of the guarantee showing only the net weight and brand name, including the analysis, guaranteed percentage of nitrogen, of available phosphoric acid, and of potash, and the name and address of the manufacturer. |