The wood-preservation industry is one of those which is aiding in the great movement for efficiency in operation and in the conservation of our natural resources. Practically unknown in our country but a half century ago, its growth, especially in the last decade, has been exceedingly rapid until there are now nearly 100 plants in operation turning out over 125,000,000 cubic feet of treated wood annually. Too much credit for this splendid development cannot be given to men who like Dr. Hermann von Schrenk have by their ability, knowledge, and persistence brought the importance of preserving wood to the attention of the American people and successfully accomplished a mass of practical results. There is every reason to believe that the growth of the industry has by no means reached its climax, for there are thousands of feet of structural timber used each year that are not being treated but which should and eventually will be.
Advances in Vegetable Crops Production
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