达里公社东发展大队的草场,地处达里草原东部(高寒地区)的边缘地带,枯草季节约8个月,退化比较严重(原生植被是硷草、针茅和冰草,退化后为苔草和1年生杂草类)。为了改良退化草场,建设人工草场,在大队党支部的领导下,1972年挖防畜沟(深1米、宽1.5米)4,888米,封闭草场2,500亩,1973年用水泥柱和铁蒺藜围栏,扩建为10,000亩基本草场。在深翻(25厘米)、平整土地(重耙1次,轻耙2次,耙耢1次)、清除杂草的基础上,6月中旬种 The grassland of the eastern development corps of Dali commune is located on the fringe of the eastern part of the alpine grassland (alpine region). The dead season is about 8 months and the degradation is rather serious (the native vegetation is sodic, Stipa and Agropyron, the degraded moss Grass and 1 year old weed classes). In order to improve degraded pastures and build artificial grasslands, under the leadership of the Party branch of the brigade, 4,888 meters of ditches (1 meter deep and 1.5 meters wide) were enclosed in 1972 and 2,500 acres of grassland were enclosed. In 1973, columns of cement columns and frangipani were fenced, Expansion of 10,000 acres of basic grassland. In the deep turn (25 cm), the formation of land (heavy harrow 1 times, light rake 2 times, rake 耢 1 times), weeds cleared on the basis of mid-June