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1987年和1988年,先后以威优64和汕优64两个中杂组合(注:在当地为早稻)作供试材料进行三次重复的小区试验。用油菜内酯(简称BR)于播前浸种12小时,大田分蘖期及灌浆期各喷施一次;使用浓度分
In 1987 and 1988, three replicate community trials were conducted with two medium-and-large mix combinations of Weiyou 64 and Shanyou 64 (Note: locally grown early rice). With rapeseed lactone (referred to as BR) in sowing before sowing for 12 hours, field tillering and filling of the spraying time; the use of concentration