Show F fertilizers shoy show nitrogen content change in labeling regulations affects northeastern states prepared by the united st 2 tes department ot of A iturbi WIM Bervi service eft an important change in regulations for labeling fertilizers which will affect farmers of twelve northeastern states Is the transfer from ammonia content to nitrogen as the basis for labeling this change became effective january I 1 in the new england states and in new york new jersey pennsylvania delaware maryland west virginia says dr oswald schreiner Sch relner chief of the division of soil boll fertility bureau of chemistry and soils united state department of agriculture doctor schreiner Sch relner believes the change Is desirable from most points of view lie 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 different forms in such fertilizer materials as sulphate of ammonia nitrate of soda calcium cyanamid calcium nitrate potassium nitrate ammon ammonium lurn phosphate phate fish meal cottonseed meal and other ani animal maland and plant byproducts it Is thus desirable that the name of the element nitrogen and not the equivalent in one of the particular forms in which it occurs occure should appear on fertilizer labels the fact that I 1 per cent of nitrogen Is the equivalent of per cent ot of ammonia has also led to some confusion because of the indiscriminate use of the two terms as applied to fertilizer content says doctor schreiner Sch relner the new regulations require that the percentages of plant food be stated in whole numbers and inot in fractions for all mixed fertilizers there will be printed on the bag a simplified statement of the ibe guarantee showing only the net weight and brand name including the analysis guaranteed percentage of nitrogen of available phosphoric add acid and of potash and the name and address of the manufacturer |