糜子绿豆带状种植下糜子的氮素积累、代谢及产量变化

党科,宫香伟,陈光华,赵冠,刘龙,王洪露,杨璞,冯佰利

Nitrogen accumulation, metabolism, and yield of proso millet in proso millet- mung bean intercropping systems

Ke DANG,Xiang-Wei GONG,Guang-Hua CHEN,Guan ZHAO,Long LIU,Hong-Lu WANG,Pu YANG,Bai-Li FENG

表2 不同间作模式对糜子不同器官氮素转运量和对穗的贡献率的影响

Table 2 Effects of different intercropping patterns on nitrogen transportation and rate of contribution to panicle in different organs of proso millet

年份 Year	处理 Treatment	氮素转移量A mount of N transferred (kg hm^-2)			对穗的贡献率 Contribution to panicle (%)
年份 Year	处理 Treatment	叶片Leaf	茎Stem	鞘Sheath	叶片Leaf	茎Stem	鞘Sheath
2017	SP	26.0±3.5 d	11.6±0.5 c	1.6±0.8 d	11.7±2.7 d	5.2±0.5 c	0.7±0.4 b
	2P2M	46.0±5.6 c	19.5±3.5 b	8.4±1.3 b	15.3±1.3 c	6.6±1.2 bc	2.8±0.5 a
	4P2M	41.3±5.5 c	18.9±0.3 b	5.8±0.5 c	16.2±2.7 c	7.4±0.4 b	2.3±0.3 a
	4P4M	63.1±1.1 b	22.5±3.3 b	6.8±1.5 bc	21.4±1.5 b	7.6±1.1 b	2.3±0.5 a
	2P4M	89.3±0.7 a	32.3±2.4 a	10.8±1.8 a	25.8±0.3 a	9.3±0.8 a	3.1±0.5 a
2018	SP	11.7±2.2 d	38.3±2.5 e	4.9±0.1 b	4.2±0.8 d	14.1±1.0 b	1.8±0.0 c
	2P2M	45.3±3.7 b	47.5±0.6 c	9.3±0.2 a	12.3±1.1 b	12.9±0.2 c	2.5±0.1 a
	4P2M	40.6±3.4 b	42.3±2.0 d	1.7±0.1 d	12.9±1.0 b	13.5±0.6 bc	0.5±0.0 d
	4P4M	34.7±0.9 c	72.2±2.5 a	2.5±0.8 c	9.9±0.3 c	20.5±0.8 a	0.7±0.2 d
	2P4M	88.6±4.1 a	56.7±1.2 b	9.5±0.2 a	20.0±1.0 a	12.8±0.3 c	2.1±0.1 b