羊草种子发芽需要较高的温度和充足水分,因此我地区主要在夏季播种,一般不超过八月上旬,这时雨量集中,气温高,出苗快,过迟因幼苗太小,对越冬不利。羊草种子常因有空壳、秕粒,使种子发芽率降低,直接影响出苗率,故播前应精选 Leymus chinensis seed germination requires higher temperature and adequate water, so my area is mainly sown in the summer, usually not more than early August, when the rainfall concentrated, high temperature, fast emergence, too late due to young seedlings, overwintering disadvantage. Leymus chinensis seeds often due to the empty shell, tablets, so that the seed germination rate decreased, a direct impact on the emergence rate, it should be selected before sowing