种植密度对苜蓿生长及生物量的影响

冯银平,沈海花,罗永开,徐龙超,刘上石,朱言坤,赵梦颖,邢爱军,方精云

Effects of planting density on growth and biomass of Medicago sativa

Yin-Ping FENG,Hai-Hua SHEN,Yong-Kai LUO,Long-Chao XU,Shang-Shi LIU,Yan-Kun ZHU,Meng-Ying ZHAO,Ai-Jun XING,Jing-Yun FANG

表1 不同种植密度对紫花苜蓿单位面积生物量的影响(平均值±标准误差)

Table 1 Effect of planting density on biomass for Medicago sativa (mean ± SE)

处理 Treatment	单位面积干草生物量 Dry matter biomass (g·m^-2)	单位面积鲜草生物量 Fresh matter biomass (g·m^-2)	单位面积地下生物量 Below-ground biomass (g·m^-2)
A	236.9 ± 41.9^a	924.7 ± 62.2^a	100.0 ± 23.6^a
B	256.5 ± 26.4^a	902.9 ± 97.6^a	125.8 ± 12.9^ab
C	243.7 ± 8.0^a	886.1 ± 81.9^a	146.7 ± 16.4^b
D	246.8 ± 10.1^a	968.0 ± 70.2^ab	144.5 ± 14.2^b
E	255.0 ± 19.0^a	1 074.3 ± 139.9^ab	129.6 ± 7.5^ab
F	248.4 ± 16.4^a	1 139.5 ± 65.8^b	133.2 ± 21.6^ab