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根据 3年的观察试验结果 ,对引种栽培的 9个多年生牧草品种的物候期、产草量、品种特性、气候资源利用率等进行了对比分析 ,筛选出适合河西走廊农区生态条件下栽培的杂交狼尾草、黑麦草、Comndor苜蓿。以杂交狼尾草表现最为优良 ,平均鲜草产量达 18 96万kg/hm2 。从而为河西走廊农区草种的选择奠定了基础。
According to the results of 3 years of observation and experiment, the phenology, grass yield, variety characteristics and utilization of climatic resources of 9 perennial forage cultivars introduced and cultivated were comparatively analyzed, and the cultivars suitable for agro-ecological conditions in Hexi Corridor were screened out Hybrid Pennisetum, Ryegrass, Comndor Alfalfa. The best hybrid hybrid pennisetum, the average fresh grass yield 18 960000 kg / hm2. Which laid the foundation for the choice of grassland in Hexi Corridor.