山东省青州市1986年起承担了省科委“青州蜜桃优质丰产技术开发”课题,经五年的工作,面积由开发前3070亩扩大到12044亩,总产量由35万kg上升到527.4万kg。平均亩产达到437.9kg,基点园片平均亩产2625kg,超额完成了规定指标。 结合技术开发,进行了一些单项措施对比,现总结如下。 1 Since 1986, Qingzhou City, Shandong Province, has undertaken the project of “Technology Development of High-quality and High-yield Peach in Qingzhou” since its establishment in 2005. The area expanded from 3070 mu before the development to 12044 mu and the total output increased from 350,000 kg to 5.274 million kg. The average yield per mu reached 437.9kg, with an average of 2625kg per mu in the base site, exceeding the stipulated targets. Combined with technology development, a number of individual measures were compared, are summarized as follows. 1