不同施氮量对饲用燕麦光合特性及氮素光合利用效率的影响

郑敏娜, 梁秀芝, 康佳惠, 李荫藩, 王慧, 韩志顺, 陈燕妮

Effects of Different Nitrogen Application Rates on Photosynthetic Characteristics and Nitrogen Photosynthetic Utilization Efficiency of Fed Oats

Zheng Minna, Liang Xiuzhi, Kang Jiahui, Li Yinfan, Wang Hui, Han Zhishun, Chen Yanni

表4 不同施氮量下各品种干草产量与光合特性指标间的相关关系

Table 4 Correlations between photosynthetic property indicators and hay yield of each variety under different nitrogen doses

指标Index	P_n	C_i	G_s	T_r	RCC	LAI	干草产量Hay yield
P_n	1
C_i	0.579^*	1
G_s	0.744^**	0.661^*	1
T_r	-0.472	-0.188	-0.315	1
RCC	0.879^**	0.509	0.613^*	0.652^*	1
LAI	0.574	0.497	0.379	-0.631^*	0.652^*	1
干草产量Hay yield	0.695^*	0.578^*	0.543	-0.269	0.676^*	0.457	1