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临洮县洮阳镇西街四社农民张桂兰,从事农作物育种工作三十多年,先后培育出二十多个新品种,并在省内5个地区的15个县推广种植,成了临洮及周边地区有名的农民育种专家。张桂兰虽是一位普普通通的农村妇女,却从事着一项极不平凡的事业。1965年,喜爱农业实验的张桂兰成了生产队育种培育小组的一名成员。在技术人员的指导下,她开始了农作物育种实践。此后她又担任了生产队科学实验小组长、大队科学实验领导小组组长。她从良种引进入手,逐步进行小麦、蚕豆的杂交育种实验。繁育的小麦、蚕豆、青稞等良种,推广面积达6400多亩,
Zhang Guilan, a farmer in the four social cooperatives of Xiyi Town, Xingyang Town, Linqu County, engaged in crop breeding for more than 30 years and has cultivated more than 20 new varieties and popularized plantations in 15 counties in 5 regions in the province. Famous peasant breeding experts in the region. Although Zhang Guilan is an ordinary rural woman, she is engaged in a very extraordinary career. In 1965, Zhang Guilan, a professor of agricultural experimentation, became a member of the production team breeding team. Under the guidance of technical staff, she started crop breeding practice. Since then, she has also served as production team science experiment group leader, brigade leader of scientific experiments leading group. She introduced from the introduction of improved varieties, and gradually carry out crossbreeding experiments of wheat and broad bean. Breeding of wheat, broad beans, barley and other varieties, the promotion of an area of 6400 mu,