Show clean the seed wheat the treatment of seed wheat with copper carbonate or with formaldehyde malde hyde ts Is a common practice in all grain districts frequently however seed treatment Is reported to he be ineffective in the control of smut ex experiments peri ments which have been conducted by the united states department part ment of agriculture indicate that the removal of smut halls balls in the seed wheat Is absolutely essen tion to satisfactory results the smut balls are composed of millions of spores which are not entirely destroyed by the common method of seed treatment these smut balls should therefore he be removed elther either by running fanning or other cleaning nin machines chines if the formaldehyde dip method Is used the smut balls may be skimmed off when the seed Is soaked tn in the so BO gutlon |