云潭公社垌头大队林场在培育杉苗过程中,总结出一套以“早”字当头,疏播为中心,及时施肥管理的经验。结果每亩播种量8斤(种子发芽率约30—40%),就育出高度在30厘米以上的壮苗约4万株。一、早整地在霜降前后进行第一次翻土晒冬,晒到小雪至大雪间,进行第二次翻土平地,每亩用6%六六六粉5斤、 Yuantong commune Yuen Tau brigade farm in the process of nurturing fir seedlings, summed up a set of “early ” word pledge, spread as the center, timely fertilization management experience. As a result, about 8 kg of seeding per acre (about 30-40% of seed germination rate) resulted in about 40,000 strong seedlings with a height above 30 cm. First, as early as the ground before the frost in the first soil winter sun, the sun to the snow to the snow, the second soil flat, 6% powder with 6% per mu 5 acres,