论文部分内容阅读
一、选种在夏季采果期,选用优良品种具有典型性强、生长健壮、无病植株的果实以作种用。将采集到的构杞果浸水揉烂,使种子与果肉分离,然后加水淘洗,除去果肉、果皮等杂质,把种子用清水淘洗干净,置于干燥通风处晾干备用。出种量为每5-7公斤干构杞果实可洗出1公斤种子。二、育苗1.整地我们所选用的40亩育苗地的基本情况为:土质为壤土,个别地段偏粘性,无盐碱,土壤肥力中等。播前整地可用两种方式:一是头年秋翻后平地,灌足冬水,来年春季耙地;二是当年春翻后灌水,约一周后,拖拉机耙地保墒,耙地后视土地情况适量镇压,目的是使土地表面无大的颗粒,便于播种。土壤的保墒深度为5厘米以下。
First, the selection of seed in the summer picking period, the selection of good varieties with typical strong, robust growth, disease-free plant fruit for planting. The collected structure Qi fruit soaked rubbing the seeds and pulp separation, and then add water washing, remove the flesh, peel and other impurities, the seeds washed with water, clean, placed in a dry and ventilated place to dry spare. The amount of seeds per 5-7 kg of dried fruit can wash out 1 kg of seeds. Second, nursery 1. Land preparation We selected 40 acres of nursery land for the basic situation: soil is loam, partial lot of partial sticky, no saline, medium fertility. Ground preparation before sowing can be used in two ways: First, after the fall of the first year after the flat ground, irrigation enough winter water, the harrow to spring the following year; second year after the Spring Festival irrigation, about a week after tractor harrow soil moisture, harrow rear land as appropriate Suppression, the purpose is to make the surface of the land without large particles, easy to sow. Soil moisture depth of 5 cm or less.