有机培肥与轮耕方式对夏玉米田土壤碳氮和产量的影响

孙凯,刘振,胡恒宇,李耕,刘文涛,杨柳,宁堂原,王彦玲

Effect of organic fertilizer and rotational tillage practices on soil carbon and nitrogen and maize yield in wheat-maize cropping system

Kai SUN,Zhen LIU,Heng-Yu HU,Geng LI,Wen-Tao LIU,Liu YANG,Tang-Yuan NING,Yan-Ling WANG

表4 有机培肥和轮耕方式对玉米产量及其构成因素的影响

Table 4 Effects of organic manure and rotational tillage practices on yield and its components of summer maize

处理 Treatment		千粒重 1000-grain weight (g)	穗粒数 Grain number per spike	公顷穗数 Spike number (×10⁴)	产量 Yield (kg hm^-2)
2016	PRS	278.95 a	594.33 b	6.22 a	8787 b
	PSN	268.83 d	589.90 b	6.24 a	8504 c
	PCN	275.22 bc	568.03 d	5.97 b	8065 e
	FRS	275.85 b	592.07 b	6.14 a	8522 c
	FSN	277.06 ab	605.07 a	6.23 a	8931 a
	FCN	272.54 c	575.73 c	6.03 b	8364 d
2017	PRS	282.39 ab	596.47 b	6.28 a	9054 b
	PSN	277.80 b	591.80 c	6.24 ab	8647 d
	PCN	271.89 c	566.70 d	6.07 c	8194 f
	FRS	274.32 c	590.61 c	6.26 ab	8798 c
	FSN	285.93 a	609.85 a	6.27 a	9431 a
	FCN	273.23 c	564.07 e	6.18 b	8421 e
F-value	T	**	**	**	**
	C	ns	**	ns	**
	Y	**	ns	**	**
	T×C	**	**	**	**
	T×Y	**	**	**	**
	C×Y	ns	*	*	**
	T×C×Y	ns	**	ns	**