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采用5因素混合正交组合设计方案,连续2年对6品种草地早熟禾Poa pratensis种子生产进行研究,结果表明:品种男爵(Baronie)和公园(Park)在酒泉进行种子生产具有一定的优势;种子最高产量分别是584和537 kg/hm2;两品种施肥管理是施肥时期均为春季施1/2+上年秋季施1/2,施氮量均为90 kg/hm2,品种Baronie施P2O5量为120 kg/hm2,Park施P2O5量为90 kg/hm2。
A five-factor mixed orthogonal design was used to study the seed production of six Poa pratensis species for two consecutive years. The results showed that Baronie and Park had some advantages in seed production in Jiuquan. The seed The highest yield was 584 and 537 kg / hm2 respectively. The fertilization and management of two varieties were both spring 1/2 + 1/2 last autumn, nitrogen application 90 kg / hm2 and Baronie P2O5 120 kg / hm2, P2O5 Park application of 90 kg / hm2.