结果表明 ，千金子在直播田只有一个发生高峰期 ，单季晚稻直播田和连作晚稻直播田发生高峰期在播后 1周 ，早稻直播田发生高峰期在播后 2周。
It showed that Chinese sprangletop germinates to have an emergence peak at 1 week after rice seeded in one season late rice and two season late rice or 2 weeks in early rice.
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