Abstract:To select suitable oat varieties and optimal sowing rates for planting in the high- altitude and frigid pastoral areas of Gannan of Gannan, planting experiments were conducted on four oat varieties under different sowing rates. From the variety screening results, Qingyin 1, Qingyin 2, and Linna have all shown good adaptability and resilience, with Qingyin 2 being the best, followed by Linna and Qingyin 1. In terms of sowing quantity, from the comprehensive perspective of economic cost and yield, the optimal sowing quantity for oat forage in the high-altitude pastoral area of Gannan is 300kg/hm2. The results of this study are of great significance for solving the shortage of local forage, improving disaster resistance and livestock protection capabilities, and promoting the sustainable development of grassland animal husbandry.
