元谋干热河谷大翼豆引种栽培试验

INTRODUCTION EXPERIMENT OF THE VARIETY MACROPTILICUM ATROPURPUREUM IN HOT-DRY VALLEY OF YUANMOU,YUNNAN

大翼豆Macroptilicum atropurpureum抗旱耐瘠酸性强,适应性广,根系发达,速生快长,能迅速覆盖地表,具有结瘤固氮和较好的改土性能,是良好的饲料牧草与水保植物.

Macroptilicum atropurpureum,the vine and herb,is classified in the families of Papilionideae, with long and thick main root and flouring lateral and adventitious root, flourishing with main vine of 3-5m and branch vine of 2-4m in the dry-hot environment of Yuanmou,Yunnan. It adapted to extensive regimes,surviving at a dry and poor soil with pH of 5-9. Macroptilicum atropurpureum has the ability of nodulation and nitrogen fixation, and the ability of amelioration soil. It could be used as a plant of maintaining water and soil in dry-hot valley.