一、晒种关在浸种前2—3天,把稻种摊在竹笪上翻晒3—4小时,注意不在中午阳光过猛的时候晒,也不能把稻种摊在水泥地面和灰沙地上晒,以防晒伤种胚,影响发芽。稻种翻晒的目的在于提高种子活力,促进发芽,生长齐一。因为经过晒种,种子吸水力强,酵素(酶)活动力强,加速了养分分解,因而 First, the sun off in the 2-3 days before soaking seeds, the rice stalls in the Penny on the sun for 3-4 hours, pay attention to the sun is not too heavy at noon when the sun can not be spread on the cement floor and sand on the ground Sun, to prevent sunburn embryo, affecting germination. The purpose of rice seedling drying is to improve seed vigor, promote germination, growth in one. Because after sunburn, seed water absorption, enzyme (enzyme) strong activity, accelerated decomposition of nutrients, and thus