Many of the earliest humans lived on sea food, picking up clams and oysters. Later, man largely deserted the sea as a source of food. Now, with the land filling up with people, the sea looks good again. In Agricultural and Food Chemistry. Dr. Francis Joseph Weiss, Austrian-born chemist, tells how man might harvest the sea's bumper crops.
On the average, says Dr. Weiss, an acre of sea grows nearly three times as much plant material as an acre of land. Nearly all sea-growing plants are microscopic phytoplankton (mainly diatoms and dinoflagellates) that...
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