在红军长征时路过的川西北草地上,不久前出现的两种人工种植的牧草——“短芒披碱草”和“无芒披碱草”,为若尔盖的向东牧场发展畜牧业和扭亏增盈发挥了效益,被称为“绿海明珠”。这两种牧草是西南民族学院畜牧兽医系布依族教师伍典汉同志顶着“四人帮”“唯生产力论”的恶浪,经过多年试验栽培出来的。前几年,草地在“四人帮”干扰破坏下,草场退化,牧草减少,一九七五年牲畜越冬春时又遇上大雪灾,牧场一万多只羊死了四 In the Northwest of Sichuan Province, passing by the Long March of the Red Army, the two newly planted pastures - “Short-mouthed Elymus” and “Emerald-emerald Grass” -revealed the development of livestock husbandry and losses in the pasture east of Ruoergai Gains has played a beneficial effect, known as “Green Sea Pearl.” These two forage grass is Southwest Nationalities Department of Animal Husbandry and Veterinary Medicine BYD teacher Wu Dianhan withstand the “Gang of Four” “only productivity theory” of the evil wave, after years of experimentally cultivated. A few years ago, grasslands under the interference and destruction of the “gang of four” suffered grassland degradation and pasture loss. In 1975, the livestock suffered another snowstorm over the winter and spring, and more than 10,000 sheep died on the ranch.