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In this publication is given a brief description of the production of commercial fertilizer. It is believed that this description, which complex technical discussion and statistics are avoided, will be of use to students, as well as farmers and gardeners.
The recycling system; The impact of the recycling Mentality; Guano; The guano island mania; The impact of phosphatic guano; Amimal and fish guano; Superphosphates; From chaos to stability; The maturation of the industry; A complex technological system.