藏南河谷地区位于冈底斯山和喜马拉雅山之间。这里地势平坦,海拔较低,气候温和,雨量适中,日照充足,是西藏的主要农业区和农牧结合区。为了选育适应性强、产草量高、品质好的牧草和饲料作物品种,我们先后从甘肃省畜牧兽医工作队、甘肃农业大学草原系等单位引进一年生、 The southern Tibetan valley is located between the Gangdise Mountains and the Himalayas. Here flat, low altitude, mild climate, moderate rainfall, adequate sunshine, is Tibet’s major agricultural areas and farming and animal husbandry combined area. In order to breed forage grass and feed crop varieties with high adaptability, high yield and good quality, we introduced one-year from Gansu Provincial Animal Husbandry and Veterinary Task Force and Gansu Agricultural University Prairie Department,