同德短芒披碱草区域试验报告

REGION TRIAL REPORT ON EIYMUS BREVIARISTATUS CV.TONGDE

通过4年的区域试验表明:同德短芒披碱草在不同生态条件下均表现出较强的适应性,抗旱、耐寒、耐盐碱,品质优良,适口性好,各类牲畜均喜食。较当地长期栽培的老芒麦具有更强的繁殖能力和更为优良的结实性,成熟整齐,籽粒饱满。3年平均鲜草为21348.9kg/hm2,风干草为7086.3kg/hm2,种子为756.9kg/hm2,比老芒麦增产8.18%、7.50%和24.72%,越冬率达95%以上,可在海拔4000m以下地区推广种植,是高寒牧区草地建设、退耕还草和生态治理工程最适宜的优良牧草品种之一。

It is indicated throuth 4 years region trial that Elymus breviaristatus cv. Tongde appeared to have strong acclimatization of fighting a drought, resisting coldness and salt and alkali. The equality and palatability of E breviaristatuscv. Tongde are more well, every kinds of livestock preferably choose to feed. Compared to n- ative longtime cultivating E sibiricus it possesses even more ability to reproduce and fecundity, moreover, its maturity is tidiness and the seeds are satiety. The yield of fresh grasses , air dried grasses and seeds of three years are 21348.9kg/ha, 7086. 3kg/ha, 756. 9kg/ha more than E. sibiricus increasing over 8.18%, 7.50% and 24.72% ,respectively. The rate of living through the winter is above 95%. So it can be spreaded and plan- ted below the area of the elevation of 4000 meters, and is the one of best grass variety under condition that we have constructed grassland, put down cultivated terra to restore grass and ecological control engineer in the alpine cold grazing region of Qinghai province.