【摘要】 本文对松嫩盐碱草地生长不同年份人工星星草种群地上部生物量的季节变化进行了研究。结果表明，其生物量的季节动态有着相似的变化规律。整个生育期地上生物量在开花期最大。生长不同年份星星草地上生物量曲线的变化幅度不同。更多还原

【Abstract】 This paper concerns with the studies of seasonal changes of aboveground biomassof Puccinellia tenuiflora populations grown in different years on Songnen alkaligrassland. The results indicated that their seasonal changes of aboveground biomassare analogical, and the range of changes of the aboveground biomass curves is different with the different growth years of P. tenuiflora.更多还原