海带是两年生冷水性褐藻，是一种可供食用和工业用的大型藻类。它于１９４４年在我省试养成功，至今已有半个多世纪的历史。目前已是我省海水养殖的大宗骨干品种，年产量近４０万吨，占全国总量的７０％左右；碘醇胶产量占全国的９０％左右，占世界市场的６０％左右。海带生产 Kelp is a biennial cold brown algae that is a large algae for food and industry. It was successfully piloted in our province in 1944 and has been more than half a century old. It is now the bulk of the major marine breeds in our province with an annual output of nearly 400,000 tons, accounting for about 70% of the national total. The output of iodophor gum accounts for about 90% of the national total, accounting for about 60% of the world market. Kelp production