我国南方地处亚热带低山丘陵红黄壤地区,土壤有机质、氮、磷和钾含量低。此地区牧草的栽培与利用是世界公认的难度最大的课题之一,近年来随着农业结构的调整,南方的种植业比例在不断降低,而畜牧业的比例却不断提高,这将有利于增加农民收入。然而在农区发展畜牧业,解决饲草料是一个关键的问题。桂牧一号杂交象草由于其丰富的 South China is located in the subtropical hilly region of red and yellow soil, soil organic matter, nitrogen, phosphorus and potassium content is low. The cultivation and utilization of forage grass in this area is one of the most difficult topics in the world. In recent years, with the adjustment of agricultural structure, the proportion of farming industry in the south has been decreasing while the proportion of livestock raising has been increasing, which will help increase Farmer’s income. However, the development of animal husbandry in the agricultural areas, to solve the forage is a key issue. Gui Mu I hybrid grassy because of its rich