Potash from kelp : early development and growth of the giant kelp, Macrocystis pyrifera /

publication is deemed imperative even in its present form.Any further details to be established must be left for future investigators.While this paper is essentially a study of plants, an activity normally coming within the sphere of the Bureau of Plant Industry, it is published by the Bureau of Soils because it has been through that bureau that the investigation of the economic utilization of the giant kelps has been prosecuted.Other papers of series-This paper is offered as a part of a series dealing with the industrial utilization of kelp.Other papers of this series already published are: The Kelps of the United States and Alaska, by William Albert Setchell; Ecological and Economic Notes of Puget Sound Kelps, by George B. Rigg: The Kelps of the Central California Coast, by Frank M. McFarland; The Kelps of the Southern California Coast, by W. C. Crandall; Brief Notes on the Kelps of Alaska