播种期:春、夏、秋三季均可播种。由于苜蓿苗期發育緩慢,春季播种到秋季始可高达20～30厘米,夏播則需到第二年初夏才能达到这个高度。秋播則需幼苗越冬,对生長有影响。一般以春、夏兩季播种为宜。播种方法:①开垦混播:在坡度30°杂草多的坡地上,开垦的第一年先播种谷草或油菜,二年或三年 Seeding period: spring, summer and autumn can be planted in three seasons. Due to the slow development of alfalfa seedling stage, the spring sowing to the beginning of autumn can be as high as 20 to 30 cm, summer sowing is required to early next year to reach this level. Autumn sowing requires winter seedlings, the growth impact. Generally spring and summer sowing is appropriate. Sowing methods: ① Reclaim mixed-sowing: Slope grass or rapeseed sown at the slope of 30 ° weeds, first two years or three years