Show N l LACK GK NUTRITIVE 4 ClAIM I Scientists Find Fin That Min Min- 1 1 I l rals Play Important Part I In I n Worlds World's Foodstuffs I f Found in Fertile Soils I IA A EW YORK Dec 12 By A. A P. P I I ll Minerals may be vital ital to the l Ids Jd'S food supply according to tc a ai I I i- i ort to the American Chemical If eta ety of rese researches now In pro- pro i In the laboratories o ot of the agricultural experiment r n h hat at Lexington e e C conclusion has been beon be n nd d said Dr J. J S. S l ch g ge of the investigation that er CE iron manganese and zinc p oar t more important functions than is generally a p thus far fat have hae been on el-on m Kentucky bluegrass led ted alfalfa white whit an ant yellow Wheat heat rice polishing and 11 rice showing UIl that t iron roh o with zinc second third and copper fourth I p e. e g arm rm of wheat sa says s 's the its is a rich source of an un- un vitamin factor The un-I un astion as- as tion of relatively large ants nl ts of or copper manganese and i with this substance rich in mins is a n. coincidence or ot It it was vas found that when rice rie is Shed ed nearly early I the copper iron and zinc anese are removed the tb Consequently b ben en rn- rn pigeons were confined to a of polished rIce they soon de- de id poJ whereas pig pig- t d on unpolished rice malna maln- maln eda a normal condition Ap Ap- the compounds of copper manganese and zinc contained e perl carp and germs germi germs o oU ee ce- ce ces ls s are important important factors factors in nul nu nuIon nu- nu l Ion n. n chile soils sons it is shown contain 11 amounts of the elements per manganese and zin zinc ats grown in the soil absorb 1 I amounts of these thes elements y lob h are stored In the leaves and alie t e and germs of the i I ds I I t en the cereals corn wheat rice are highly milled the re 1 Silting ting cornmeal patent re-I re reUT and polished rice are deprived I 1 t greater part of the corn com nia of copper iron manganese I E zinc ln which appear to t be e fac- fac nutrition practical Iri agriculture depleted EpHs il may require the e addition it of I 1 available compounds of ot copper manganese manganese mangan se and zinc in n order to restore restore and maintain productivity and to produce a food supply containing containing containing con con- the vital factors in H 1 1 proportion I A rese research problem of fundamental tal importance in agriculture re today the report declared is t ascertain I which of the elements that occur in soils plants and animals are necessary and what are ate their functions functions' |