宁夏南部高寒高海拔区苜蓿引种试验李军，张孝勉，殷骥（宁夏农林科学院畜牧兽医所）宁夏高寒易旱区海拔高，气温低，热量少，无霜期短，气候多变。长期来，没有高产优质的牧草为畜禽提供饲草保障，直接制约着该地区畜牧业的发展。本试验的目的就是要根据这一地区气候、地... Introduction Experiment of Alfalfa Introduction in High-altitude and High-altitude Area of ​​Southern Ningxia LI Jun, ZHANG Xiaomian, YIN Ji (Ningxia Academy of Agriculture and Forestry Animal Husbandry and Veterinary) Ningxia alpine drought-prone area has high altitude, low temperature, less calories, short frost-free period and variable climate. In the long run, no forage grass with high yield and good quality is provided with forage protection, which directly restricts the development of animal husbandry in this area. The purpose of this experiment is to be based on the climate in this region, and ...