论文部分内容阅读
试验设在永寿县苗圃。该地属干早地区,无灌溉条件,春季干旱少雨。试验材料系侧柏同一种源,种子未经任何处理。3月25~27日播种。试验方法分下列四种:(1)塑料大棚容器育苗。营养袋规格为5cm(直径)×14cm(长);营养土为黄心土、纯腐熟马粪、河沙混合成的,体积比为3∶2∶1;每50公斤营养土加0.25公斤复合肥。(2)塑料小拱棚平床育苗。施足底肥,开沟条播,播幅12cm,条幅18cm。(3)覆草育苗。播后即覆草,以不露地为宜,播种方法同小拱棚。(4)大田育苗。播后不采用任何管理措施,播种方法同小拱棚。
The test is located in Yongshou County Nursery. The area is dry early, no irrigation conditions, dry and rainy spring. The test material is the same source of Oriental Arborvitae, seeds without any treatment. March 25 to 27 sowing. Test methods are divided into the following four categories: (1) Plastic greenhouse container nursery. Nutritional bag size is 5cm (diameter) × 14cm (length); nutrition soil is yellow heart soil, pure maturity horse manure, mixed river sand, the volume ratio of 3: 2: 1; 0.25 kg of fertilizer compound per 50 kg of nutrition soil. (2) Plastic small arch bed nursery. Shi enough fertilizer, ditching broadcast, sowing 12cm, banners 18cm. (3) Grass cover nursery. Sown grass after sowing, in order to not exposed, sowing method with a small shed. (4) field nursery. After sowing does not use any management measures, sowing method with a small shed.