水稻穗行圃直播以避免育秧移栽所引起的伤苗、僵苗、败苗等现象,也没有落黄、返青等过程,因而有利于早生快发。加上直播稻种入土浅、分蘖节位低、发根早而快,而且可减轻建立穗行圃的工作量。据观察:直播稻播后8～10天可出现分蘖,待移栽稻开始 Rice ear garden nursery direct broadcast in order to avoid transplanting seedlings caused by wounding, stiff seedlings, seedlings and other phenomena, there is no yellow, green and other processes, which is conducive to early fast hair. Coupled with direct seeding rice shallow soil, low tillering node, hairy roots early and fast, but also reduce the workload of establishing a row of nursery. It is observed: 8 to 10 days after direct broadcast of rice tiller tiller may be tilted to be transplanted rice began