摘要
在不同品种搭配和修剪强度为7、10、13 d/次和不同留茬高度5、81、1 cm,对青海草地早熟禾密度、质地、颜色、均一性等多项指标进行观测,并运用灰色关联度进行分析,结果表明:青海草地早熟禾幼苗抗寒性好,且出苗率为65%以上;高频度的修剪更有利于其良好生长,8 cm的留茬高度下,青海草地早熟禾各项指标表现最佳;青海草地早熟禾与青海中华羊茅的混播,在两样地中综合表现尤为突出。
The density, eolour, texture, uiformity of Poa pratensis ev. Qinghai turf under different sowing formulas and mowing intensity （mowing intervals of 7,10 and 13 days; stubbles of 5,8 and 11 em） were measured and analyzed with gray assoeiation method. The result indicated that the seeding rate was over 65 M and the eold tolerance of seedling was strong. The best stubble height was 8cm. The performanee of mixed turf with Poa pratensis cv. Qinghai and Festuca sinensisev. Qinghai was promising.
出处
《草原与草坪》
CAS
2009年第5期50-55,共6页
Grassland and Turf
基金
青海省科技攻关项目"草地早熟禾的选育(2005-N-157)"资助
关键词
青海草地早熟禾
修剪强度
灰色关联度
出苗率
Poa pratensis cv. Qinghai
mow intensity
gray association degree
seedling rate
