CORNELL 



IReabing^Course for ^farmers' XlXDlives 



Published by the College op AGRicuLTtiRE of Cornell University, 

 FROM November to March, and Entered at Ithaca as Second-class 

 Matter under Act of Congress of July 16, 1894. L. H. Bailey, Director. 



Maetha Van Rensselaer, Supervisor. 



SERIES IV. 

 THE FAkIvI table. 



ITHACA, N. Y. No. 18. 



DECEMBER, 1905. dust as related to food. 



DUST AS RELATED TO FOOD. 



Every garden has its weeds. Where the seeds all come from is a 

 never-failing mystery to the gardener. These weeds are all large enough 

 to be seen, and one can destroy them with the rake or the hoe. There 



^;,'^.^ ?A"' ''V'" ' :: • ''' 



M V^" f 't » f 





Fig. 167 . — How dust gets in the milk ivith the old-fashioned milk pail, and hom' it :'s 



kept out by the new-type covered pail. 



are other weeds, however, that arc nearly or quite invisible, and the gar- 

 dens in which they grow may be food on our tables. The germs from 

 which these weeds arise may be floating in the air, so small that we can- 

 not see them. They cling to the particles of dust, and when the dust 

 falls they are planted. Let us study these dust-gardens. 



6?§ 



