论文部分内容阅读
紫云英是我省稻田主要冬绿肥作物,由于种子产量低,价格高,影响种植面积.1982年春,我们与六合、昆山县农科所和溧水渔歌、丹阳新桥群益等农科站协作,统一进行紫云英开花结荚习性与留种技术试验.经过与方法定时定点定株对紫云英现蕾、开花、结荚及落蕾、落花、落荚数进行观察记载.南京点为旱地,在早、迟两个播期试区内各于25%、50%植株现蕾时固定10枝进行观察.六合、昆山两点为水田,品种均为晚熟种茜墩78-8-3,以观察同一品种在不同土壤和地区的表现.丹阳点在紫云英高产区,溧水点在留种老区,两处均用当地品种(按初花期前者为晚熟种,后者为早熟种),以了解不同
Astragalus is the main winter green manure crop in the paddy field of our province, and due to the low seed yield and high price, it affects the planting area. In the spring of 1982, we cooperated with agricultural stations such as Luhe, Kunshan Agricultural Research Institute, Lishui Yuge, Danyang Shimbun Qunyi , Uniform flowering pod habit and stay technology test .According to the method of fixed-point fixed-point on the astragalus bud, flowering, pod and drop bud, drop, pod number to observe and record.Nanjing point is Dry land in early and late sowing two 25% of the trial area, 50% of the plant fixed when the bud fixed 10 observed .Luhe, Kunshan two points for the paddy fields, the varieties are late-maturing species Xidun 78-8-3 In order to observe the performance of the same species in different soils and regions.Danyang spot is in the high-yielding area of Shiyunying and the Lishui spot is in the old seed-keeping area, both of which use the local variety (the latter is the late-maturing species in the first flowering stage) To understand the difference