氮肥施用量对机插优质晚稻产量和稻米品质的影响

唐健,唐闯,郭保卫,张诚信,张振振,王科,张洪程,陈恒,孙明珠

Effect of nitrogen application on yield and rice quality of mechanical transplanting high quality late rice

Jian TANG,Chuang TANG,Bao-Wei GUO,Cheng-Xin ZHANG,Zhen-Zhen ZHANG,Ke WANG,Hong-Cheng ZHANG,Heng CHEN,Ming-Zhu SUN

表6 不同氮肥施用量下优质晚稻产量及构成因素的方差分析

Table 6 Variance analysis of yield and components of high quality late rice under different nitrogen application rates

变异来源 Source of variation	年份 Y	品种 C	氮肥用量 N	年份×品种 Y×C	年份×氮肥用量 Y×N	品种×氮肥用量 C×N	年份×品种× 氮肥用量 Y×C×N
自由度 df	1	3	3	3	3	9	9
穗数Panicle	5.901^*	77.14^**	207.66^**	24.78^**	4.36^*	3.82^**	4.02^**
每穗粒数Spikelets per panicle	152.87^**	296.40^**	408.01^**	21.06^**	17.81^**	19.28^**	1.62
总颖花量Total number of spikelets	210.24^**	321.75^**	1093.84^**	68.89^**	8.42^**	11.22^**	1.54
结实率Filled-grain percentage	9.93^**	57.27^**	18.05^**	33.18^**	1.54	0.92	0.35
千粒重1000-kernel weight	61.28^**	201.49^**	7.07^**	4.97^**	0.07	1.41	0.31
产量Yield	4.37^*	32.19^**	713.21^**	9.56^**	14.47^**	7.51^**	0.95
F_0.05	4.16	2.91	2.91	2.91	2.91	2.19	2.19
F_0.01	7.53	4.48	4.48	4.48	4.48	3.04	3.04