The literary digest . ul new concen-trated fertilizer. The Chilian Propa-ganda has been distributing a book amongthe farmers of the country, telling of thewonderful advantages of sodium nitrateas a plant food. Sodium nitrate is, ofcourse, derived directly from Chili salt-peter. The American farmer, while he willhave to be sold on the idea of concentratedfertilizer, will also have to be sold on theidea that this new nitrogen fertilizer iseven better for his crops than the sodiumnitrate from Chili, that it is an Americanproduct, and that it can be sold to him ata reasonable cost. Undoubtedly oth
The literary digest . ul new concen-trated fertilizer. The Chilian Propa-ganda has been distributing a book amongthe farmers of the country, telling of thewonderful advantages of sodium nitrateas a plant food. Sodium nitrate is, ofcourse, derived directly from Chili salt-peter. The American farmer, while he willhave to be sold on the idea of concentratedfertilizer, will also have to be sold on theidea that this new nitrogen fertilizer iseven better for his crops than the sodiumnitrate from Chili, that it is an Americanproduct, and that it can be sold to him ata reasonable cost. Undoubtedly otherfertilizer companies will follow the leadof the progressive companies who havealready developed this new highly con-centrated nitrogen fertilizer. Is this over-production which we haveat present to be lost to the country, or isit going to be put into the ground to helphold American supremacy in agriculturalpursuits ? The intelligent agriculturalpublic must be educated. Department ofChemical Industries The^rarxDiJest. The Literary Digest for January 23, 1919 You can thank the3e menfor some of the coalin your bin PRECIOUS black diamonds! ....How we appreciate them since ourexperiences of last w^inter. . But few^ of us realize how^ science issaving coal for us. We know little of theengineers w^ho have devoted a life-timeof study to successful methods of savingsteam and heat; w^ho, through the insu-lation of piping and other hot surfaces,have worked out great economies inindustry. Not only plant owners but the Governmentitself realizes what these men have done. Dur-ing the last year the Fuel Administration hasconstantly emphasized in its Industrial workthe tremendous importance of proper insula-tion. And as a result it is estimated thatamong our mills, factories and power plantsover two and a half million tons of coal havebeen saved. And these savings will continue through-out the years to come. More will be added tothem. For coal wastes of ten years ago willnever be tolerated ag
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