氮肥配施纳米镁对水稻产量、品质和氮肥利用率的影响

张海鹏, 陈志青, 王锐, 卢豪, 崔培媛, 杨艳菊, 张洪程

Effects of Nitrogen Fertilizer Combined with Nano-Magnesium on Rice Yield, Grain Quality and Nitrogen Use Efficiency

Zhang Haipeng, Chen Zhiqing, Wang Rui, Lu Hao, Cui Peiyuan, Yang Yanju, Zhang Hongcheng

表1 不同施氮量条件下纳米镁对水稻产量及其构成因素的影响

Table 1 Effects of nano-magnesium fertilizer on rice yield and its components under different N application rates

年份 Year	镁肥处理 Mg treatment	氮肥处理 N treatment	穗数 Panicle (×10⁴/hm²)	穗粒数 Grains per panicle	结实率 Seed-setting rate (%)	千粒重 1000-grain weight (g)	产量（g/盆） Yield (g/pot)
2019	Non-Mg	0N	269.7d	106.4e	91.50a	27.24a	249.3d
		15N	374.6b	122.1c	92.11a	27.28a	386.0c
		18N	379.1b	128.9b	92.41a	27.37a	397.2c
		21N	390.0ab	133.5ab	92.51a	27.54a	426.8b
	Nano-Mg	0N	298.9c	113.8d	93.02a	27.45a	256.4d
		15N	386.4ab	126.2bc	92.71a	27.67a	415.2b
		18N	395.6a	133.5ab	92.62a	27.78a	432.4ab
		21N	401.4a	135.7a	92.76a	27.65a	445.2a
2020	Non-Mg	0N	263.8d	105.5d	90.69a	26.43a	233.8d
		15N	362.9b	122.8b	90.28a	26.47a	378.4c
		18N	373.6b	127.1b	90.58a	26.56a	385.6c
		21N	379.9ab	130.2ab	90.68a	26.73a	414.0b
	Nano-Mg	0N	294.1c	112.6c	91.17a	26.64a	246.0d
		15N	373.1b	126.8b	90.88a	26.86a	404.4b
		18N	386.7ab	132.5a	91.38a	26.77a	413.2b
		21N	392.8a	133.5a	91.25a	26.84a	436.8a