Study on the growth performance of four gramineous forages in alpine area

The growth performance of Elymus sibiricus cv. Chuancao No.2, E. nutants cv. Gannan, Agropyron cristatum and E. breviaristatus cv. Tongde were observed in Tiebujia, Qinghai Province. The results showed that 4 species could normally growth and E. breviaristatus cv. Tongde was the best in fresh grass yield, hay yield and seed yield (1 558.75 g/m2, 540.75 g/m2 and 74.79 g/m2), which was followed by E. sibiricus cv. Chuancao No. 2 (1 453.33，508.71，67.96 g/m2) and E. nutants cv. Gannan (1 439.58, 503.67, 67.92 g/m2). All of them were excellent for the research area.