分期施钾对不同质地土壤麦田冬小麦干物质积累和产量的影响

胡鑫慧, 谷淑波, 朱俊科, 王东

Effects of applying potassium at different growth stages on dry matter accumulation and yield of winter wheat in different soil-texture fields

HU Xin-Hui, GU Shu-Bo, ZHU Jun-Ke, WANG Dong

表3 不同处理开花后干物质同化量及营养器官干物质的再分配量

Table 3 Dry matter assimilation and dry matter redistribution of vegetative organs after anthesis under different treatments

年份 Year	处理 Treatment		开花前营养器官贮存干物质 Dry matter in vegetable organs at anthesis		花后同化干物质 Dry matter assimilated after anthesis
年份 Year	处理 Treatment		向籽粒转运量 Translocation amount (kg hm^‒2)	对籽粒贡献率 Contribution to grain (%)	输入籽粒量 Allocation to grain (kg hm^‒2)	对籽粒贡献率 Contribution to grain (%)
2018-2019	SK0		1573.5 d	20.0 b	6277.9 d	80.0 ab
	SK1		2007.4 b	22.8 a	6798.9 c	77.2 b
	SK2		1710.9 c	17.2 c	8260.7 a	82.8 a
	FK0		1694.1 c	19.2 b	7143.2 c	80.8 a
	FK1		2216.7 a	22.7 a	7592.4 b	77.3 b
	FK2		1758.4 c	17.1 c	8534.1 a	82.9 a
年份 Year	处理 Treatment		开花前营养器官贮存干物质 Dry matter in vegetable organs at anthesis		花后同化干物质 Dry matter assimilated after anthesis
年份 Year	处理 Treatment		向籽粒转运量 Translocation amount (kg hm^‒2)	对籽粒贡献率 Contribution to grain (%)	输入籽粒量 Allocation to grain (kg hm^‒2)	对籽粒贡献率 Contribution to grain (%)
2019-2020	SK0		2867.5 d	34.2 bc	5521.9 d	65.8 bc
	SK1		3312.3 b	35.6 ab	5991.0 c	64.4 c
	SK2		3095.3 c	30.0 d	7237.9 a	70.0 a
	FK0		3224.8 bc	36.5 a	5587.3 d	63.5 c
	FK1		3557.7 a	36.9 a	6082.8 c	63.1 c
	FK2		3372.5 b	32.7 c	6936 b	67.3 ab
土壤质地 Soil-texture (S)		**	*	*	NS
施钾方式 Potassium application methods (P)		**	**	**	**
土壤质地×施钾方式 S× P		NS	NS		*	NS