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花信灵是根据杂交稻生长发育特性,以活性物质尿囊素(Allantoin)为主,配以一定量的多种营养元素及助剂,用科学方法研制而成的一种新型杂交稻制种花期花时调节剂。1997年获得国家
According to the growth and development characteristics of hybrid rice, Huaxinshen is a new type of hybrid rice seed produced by scientific method based on the active substance Allantoin, together with a certain amount of various nutrient elements and auxiliary agents Flowering time regulator. In 1997 the country