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缢蛏养殖在山东海阳市已有23年历史了,2001年海阳缢蛏曾获中国国际农业博览会金奖。但其养殖的缢蛏苗种一直是由外省提供的,在海阳市乃至山东省并没有缢蛏苗种的育苗单位,这是海阳缢蛏养殖的一大遗憾。20年前,海阳丁字湾也有缢蛏苗种自然繁殖发生,但在2 mm左右就死亡了,连续数年一直如此。2006、2007年海阳市丁字湾突然出现了多年来所没有过的自然缢蛏苗种,这些苗种能否在当地继续存活呢?为此我们将本
It has been 23 years since its establishment in Haiyang City, Shandong Province. In 2001, it won the gold medal of China International Agricultural Expo. However, its breeding barbary seed has always been provided by the provinces, and even in Shandong Province, Haiyang City, there is no barley seedling nursery units, which is a great pity Haiyang Zhaxu farming. Twenty years ago, the natural breeding of Emu owl seedlings also occurred in Tiandi Bay of Haiyang, but it died about 2 mm, which has been the case for several years. In 2006 and 2007, Tzibuwan, Haiyang City, suddenly appeared in the past few years have never had natural 缢 蛏 species, these seedlings can continue to survive in the local do? To this end, we will be