干旱沙区,在天然草地逐渐退化、且植被稀少、覆盖度低、草质差、种类单一的情况下,引进和培育选择适宜本地区发展种植的优良牧草,提高畜牧业生产,显得十分重要。民勤沙生植物园始终重视和搜集引进各类草种的试验研究工作,在建国十年中,我们分别从省内外搜集引进各类草本植物达二百多种,其中具有饲用价值的近百种。经试验观测,又从中筛选出20多个优良品种。这里仅将老芒麦(Clihelymus sibircus)、 In the arid sandy area, it is very important to introduce and nurture the fine forage that is suitable for planting in this area to improve the production of animal husbandry, when the natural grassland is gradually degraded, the vegetation is scarce, the coverage is low, the grass quality is poor and the species is single. Minqin Sands Botanical Garden has always attached importance to and collected the introduction of various types of grass research and experiment in the ten years of the founding of the PRC, we collected from the province and outside the introduction of various types of herbs up to more than 200 kinds, of which nearly 100 Species. After experimental observation, but also selected more than 20 good varieties. Here only the old barley (Clihelymus sibircus),