Extension of dwarf napiergrass as environmental conservative beef-cow breeding system to Kyushu area of Japan

为建立日本温暖地区小农肉牛自供牧草生产模式，通过建立高效的无性繁殖方法和稳定的苗木供应方法，建立利用蔬菜移栽机的机械移栽方法，在九州地区推广矮生绵草（DL），扩展九州地区的若干试验点，测定绵草对镉（Cd）的吸收能力。在本研究中，成功地建立了DL的细胞盘苗木和机械移栽方法，确定了DL在九州12个地点的适宜性，并阐明了沼气厂粪便消化出水对DL的吸收和利用能力。

In order to establish the self-supplying herbage production for small-holder beef farmer in warm region of Japan, dwarf napiegrass(DL) was tried to extend for Kyushu area, by 1) establishing the efficient vegetative propagation method and stable supply method of nursery plants, 2) establishing mechanical transplanting method using vegetable-transplanter, 3) extension of several sites of Kyushu area, and 4) determining the cadmium(Cd) absorption ability of napiergrass. In this study, it was successful to establish the cell-tray nursery plants and mechanical transplanting method of DL, to determine the suitability of DL among 12 sites of Kyushu and to clarify the Cd absorption ability and utilization of digested effluent of manure from biogas plant to DL.