龙柏是珍贵的庭园观赏和绿化的优良树种。一般用扦插、嫁接方法繁殖。南京地区培育龙柏苗木采取早春露地扦插,成苗率在60—70％左右。为了提高龙柏扦插的成苗率,我们进行了低棚封闭冬季扦插龙柏的试验,取得了较好的结果。 材料与方法 (一)试验地准备 选背风向阳、地势平坦,排水良好的苗圃地作为试验地。土壤用腐殖土(pH6.5)掺少量中、细粒砂,使其呈沙质壤土。插前先用硫酸亚铁、呋喃丹进行土壤消毒。然后构筑高床,长、宽、高为750×90×20厘米,并备好塑料薄膜及细小淡竹竿待用。对照区插床长、宽、高为100× Cypress is a precious garden ornamental and green tree species. General cutting, grafting methods of reproduction. Nanjing cultivated Long cypress seedlings to take early spring open cuttings, seedling rate of about 60-70%. In order to improve the seedling rate of Cypress cutting, we carried out the experiment of cutting closed winter cypress with low shed, and achieved good results. Materials and methods (a) the test site to be selected leeward sunny, flat, well-drained nursery as a test site. Soil with humus (pH6.5) mixed with a small amount of fine sand, making it sandy loam. Prior to inserting ferrous sulfate, carbofuran for soil disinfection. Then build a high bed, length, width and height of 750 × 90 × 20 cm, and ready plastic film and thin bamboo stand. Control area inserted bed length, width and height of 100 ×