野大麦是在盐硷土壤上野生群种植物,它是自然演变的产物。是耐寒、耐旱、耐盐硷、耐牧性较强的优良牧草。一、植物学特征:本种是多年生,疏丛型禾本科牧草。须根稠密,常具有短根茎。杆直立、细弱、基部膝曲状,株高40—100厘米,通常2—3节,或多至5节。叶线形2列互生,长5—16厘米,宽2—6毫米,绿色或灰绿色,叶鞘通常短于节间。穗状花序长3—9厘米,宽2.5—5毫米,四棱形,紧密,绿色,成熟时带紫色,成熟穗轴易逐节断落。穗序上每节有小穗3枚,两侧为 Wild barley is a wild group of plants on saline-alkali soil, a product of natural evolution. Is hardy, drought-resistant, salt-resistant, strong resistance to pasture good forage. First, the botanical characteristics: This species is perennial, Shu Cong type grasses. Fragmented roots, often with short rhizomes. Rods erect, weak, base geniculate, plant height 40-100 cm, usually 2-3, or up to 5. Leaves linear 2 alternate, 5-16 cm long, 2-6 mm wide, green or gray-green, leaf sheaths usually shorter than internodes. Spikes 3-9 cm long, 2.5-5 mm wide, four-prism, dense, green, purple with ripe, mature cob easy to cut off. Spike per section has 3 spikelets, on both sides