2001年开始,河北省玉田县农村经济局技术站针对高产大豆品种植株高大,分枝多,单株生产能力强等特点,打破原来常规品种大密度、小肥料、粗管理的传统种植习惯,总结出一套以“减播量,降密度,最大限度地发挥高产大豆品种单株生产能力”为核心;以“选择适宜品种、确定最佳播期,保证 Since 2001, Yutian County Bureau of Rural Economics of Hebei Province has broken down the traditional planting habits of large-density, small-size fertilizer and coarse management of conventional varieties according to the characteristics of high-yielding soybean varieties such as tall plants, many branches and strong production capacity per plant. A set of “reduction of the amount of broadcast, densification, maximize the production of high-yielding soybean varieties per plant capacity” as the core; to "select the appropriate varieties, to determine the best sowing date, to ensure