Word: chemie
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Dates: during 1937-1937
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...objects to the fact that a dozen or more small chemical companies have sprouted up to sell nutrient salts to amateurs or professionals experimenting with hydroponics. These have names like Chemi-Grow, Chemi-Crop Co., Shur-Gro Fertilizer Corp. They are legally within their rights, since hydroponics cannot be patented. The only patent which Dr. Gericke holds is for a container to diffuse the chemicals through the solution. But he argues, against the companies, that no formula works well for all plants, all climates, all conditions: and that even if they made a great variety of formulae there are other...
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