海带工厂化人工育苗所用附苗器(北方称苗帘,南方称苗片)历年来都采用传统的棕质绳作材料。棕质绳虽然有许多优点,但它也有缺点,即其植物纤维中含有大量的可溶性丹宁酸有机物。这些有机物质如不彻底处理就用于海带育苗,其分泌物则会对海带幼苗产生慢性中毒作用。因此, Kelp factory artificial artificial nursery with attached to the device (called the northern curtain Miao, said the southern seedling tablets) over the years have used the traditional brown rope for the material. Although there are many advantages of brown rope, it has the disadvantage that its plant fiber contains a large amount of soluble tannin organic matter. These organic substances are used for kelp breeding if they are not completely treated, and their secretion can cause chronic poisoning to kelp seedlings. therefore,