沙棘(Hippqphac rhamnoides L.)属于胡颓子科的灌木(或小乔木)。适生性强,耐干旱瘠薄,根系庞大,水平根发达,能萌生大量根蘖苗,有与短杆状固氮细菌共生的根瘤。枯枝落叶量大,有很好的肥土、固土和保水功能。造林容易成活,有枝剌自卫性强,便于保护,能迅速成林。特别是其浆果中含有非常丰富的维生素和氨基酸,有重要的保健和药用价值。目前是全国大力推广的重要经济树种。 Hippophae rhamnoides L. is a shrub (or small tree) of the Elaeagus family. Strong adaptability, drought-resistant barren, large roots, horizontal roots developed to sprout a large number of root tillers, with short rod-shaped nitrogen-fixing bacteria symbiotic nodules. Large amount of litter, good soil, soil and water retention. Afforestation is easy to survive, stick strong self-defense, easy to protect, can quickly become a forest. Especially its berries contain very rich vitamins and amino acids, which have important health and medicinal value. It is now an important economic tree vigorously promoted throughout the country.