七种牧草改良黄土地区草场的成效

Results of pasture improvement in loess hilly area with 7 herbages

沙打旺、红豆草、紫花苜蓿、黄花草木樨、白花草木樨、兴安胡枝子和草木樨状紫云英等七种豆科牧草,可以作为黄土地区草场改良的优良草种。经试验反复探索,这七种优良牧草,春季播种期及不同改良方式,对黄土地区的牧场改良具有重要的现实指导意义。

Seven leguminous herbages of Astragalus adsurgens,Onobrichis viciaefolia, Medicago sativa, Melilotus officinalis, Melilotus sativa, Lespedeza davirica and Astragalus melilotoides could be used as fine herbages to improve pastures of loess hilly area. After experiments over and over again, it is thought that the seven herbages have practical significance to improve the pasture of loess hilly area through spring sowing and various methods for improvements.