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百脉根是近几年在我国兴起的一种优良牧草。它原产欧亚温暖地区,19世纪开始栽培,目前欧、美、澳、南亚都有大面积种植,也适应在我国南方、西北、华北地区。引入我省后,在晋中、晋东南、吕梁等地表现良好。一、植物学特征百脉根lotus corniculotus L.属多年生草本植物。它具有豆科的直根系,主根深长,侧根多而发达,又有类似禾本科的须根群,簇拥在根颈下方0—25厘米的土层中,为一般豆科根系所少见。在细根和须根上,根瘤密布。根瘤球形,单生或并生,呈粉红色。经测定,1—3年生百脉根0—20厘米土层内粗、中、细根分布均占到全剖面同类根量的75—95％,使0—20厘米土层内根系
Lotus root is an excellent pasture that has emerged in our country in recent years. It originated in warm regions of Europe and Asia and began cultivation in the 19th century. At present, Europe, the United States, Australia and South Asia all have large-scale cultivation and are also adapted to the south, northwest and north China. After the introduction of our province, in Jinzhong, southeast, Luliang and other places performed well. First, the botanical characteristics Lotus root lotus corniculotus L. is a perennial herb. It has a straight legume legumes, the main root deep, lateral roots and more developed, there are similar to the fibrous root group of grasses, surrounded by 0-25 cm below the root of the soil layer, as is common in leguminous roots are rare. In the fine roots and fibrous roots, nodules. Rhizome spherical, solitary or connate, pink. It has been determined that the distribution of coarse, medium and fine roots in 0-20 cm soil layers of 1-3-year-old root veins account for 75-95% of that of the same type in the whole section so that the roots in 0-20 cm soil layer