论文部分内容阅读
1.窖藏法:选择地势高、地下水位低、背风向阳、土质较坚硬的地方挖窖。窖宽不超过2米,深不超过1.5米,长度根据种子多少而定。在种子入窖前两天把客建成(小雪前后)。先在窖底部铺一层30厘米厚的稻草或粗稻壳,盖一层草帘或炕席,周围用草帘围好,入窖的种子应低于地面,种子上面盖稻草或草帘,再盖一层整捆稻草,最后压上30厘米厚的土,堆成屋脊形。窖上四周挖一圈排水沟,窖顶设一直径为20～30厘米的排气孔和观察孔,使窖温保持0℃左右。春季解冻前把窖上面的积雪打扫干净,在播种前半个月取出种子装袋,放在通风的阴凉处。
1. Hoard method: choose high terrain, low groundwater level, leeward sunny, harder soil digging pit. Cellar width of no more than 2 meters, no more than 1.5 meters deep, the length of the seed according to the number of. Two days before the seed into the pit to build off (before and after the snow). Lay a layer of 30 cm thick straw or coarse rice husk on the bottom of the pit first, cover the grass curtain or the kang mat around the grass curtain, and the seed in the pit should be lower than the ground, cover the straw or straw curtain on the seed, Cover with a whole bunch of straw, and finally pressed on 30 cm thick soil, stacked into a ridge. Dug ditch around the cellar, cellar top set a diameter of 20 to 30 cm vents and observation holes, the cellar temperature of about 0 ℃. Before thawing in spring, the snow above the cellar should be cleaned and the seeds should be taken out and bagged two weeks before sowing, and then placed in a cool and ventilated place.