Production
Production and processing of nori is an advanced form of agriculture. The biology of Porphyra, although complicated, is well understood, and this knowledge is used to control the production process. Farming takes place in the sea where the Porphyra plants grow attached to nets suspended at the sea surface and where the farmers operate from boats. The plants grow rapidly, requiring about 45 days from "seeding" until the first harvest. Multiple harvests can be taken from a single seeding, typically at about ten-day intervals. Harvesting is accomplished using mechanical harvesters of a variety of configurations. Processing of raw product is mostly accomplished by highly automated machines that accurately duplicate traditional manual processing steps, but with much improved efficiency and consistency. The final product is a paper-thin, black, dried sheet of approximately 18 cm × 20 cm (7 in × 8 in) and 3 grams (0.11 oz) in weight.
Several grades of nori are available in the United States. The most common, and least expensive, grades are imported from China, costing about six cents per sheet. At the high end, ranging up to 90 cents per sheet, are "delicate shin-nori (nori from the first of the year's several harvests) cultivated in Ariake Bay, off the island of Kyushu in Japan".
In Japan, over 600 square kilometres (230 sq mi) of Japanese coastal waters are given to producing 350,000 tonnes (340,000 long tons) of nori, worth over a billion dollars. China produces about a third of this amount.
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Famous quotes containing the word production:
“Every production of an artist should be the expression of an adventure of his soul.”
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