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种植密度对苜蓿生长及生物量的影响
冯银平1,2,沈海花1,2,罗永开1,2,徐龙超1,2,刘上石1,2,朱言坤1,2,赵梦颖1,2,邢爱军1,2,方精云1,2,3,*()
Effects of planting density on growth and biomass of Medicago sativa
FENG Yin-Ping1,2,SHEN Hai-Hua1,2,LUO Yong-Kai1,2,XU Long-Chao1,2,LIU Shang-Shi1,2,ZHU Yan-Kun1,2,ZHAO Meng-Ying1,2,XING Ai-Jun1,2,FANG Jing-Yun1,2,3,*()

图1. 不同种植密度下紫花苜蓿种群的数量变化(平均值±标准误差)。A、B、C、D、E、F分别表示种植密度为25、100、400、800、1 500、2 000株·m-2

Fig. 1. Quantity change of Medicago sativa population under different planting densities (mean ± SE). A, B, C, D, E, F represents 25, 100, 400, 800, 1 500, 2 000 plants·m-2 planting densities.