大豆直播断根摘心高产栽培技术该项技术１９９３年通过有关专家鉴定。去年已在山东省和其它省市部分单位试验推广。（一）适当稀植该技术应用于春、夏大豆皆可。适宜在水肥条件好，管理水平较高的地块推广。密度要适当低于常规种植。春播一般行距６０厘米、穴距２０厘米（... Soybean broadcast off-root high yielding cultivation techniques This technology was passed in 1993 by the experts. Last year in Shandong Province and other provinces and cities in some units to test the promotion. (A) appropriate sparse planting The technology used in spring and summer soy can be. Suitable for water and fertilizer conditions, the management of a higher level of land promotion. The density should be lower than conventional planting. Spring general spacing of 60 cm, hole spacing of 20 cm (...