论文部分内容阅读
在四川凉山彝族自治州会东、宁南、会理、德昌等县和渡口市,在海拔800—1,500米的金沙江干旱河谷和浅山丘陵中,生长着野生木本油料野桐(Mallotus tenuifolius),野桐又名小桐子,是大戟科的小乔木,高3—5米,生长迅速,耐旱耐热、适应性强,分蘖、扦插或种子播种育苗,成活容易。金沙江干旱河谷里造林,一般树种常因干旱死苗,野桐却有较高的成活率。会东县新马公社1980年扦插30万株,全数成活。
In the eastern and southern Ningxia, Huili and Dechang counties in Liangshan Yi Autonomous Prefecture of Sichuan, Mallutus tenuifolius is grown in the dry valleys and shallow hills of the Jinsha River at an elevation of 800-1,500 meters. , Ye Tong, also known as Jatropha, Euphorbiaceae small trees, 3-5 meters high, rapid growth, drought tolerance, adaptability, tillering, cutting or seed sowing, easy to survive. Reforestation in the dry valley of the Jinsha River, the common tree species are often dead seedlings due to drought, but there is a higher survival rate of wild tree. Huidong County, Xinma commune in 1980 cut 300,000, all survived.