侧深施氮对水稻产量及氮素吸收利用的影响

黄恒, 姜恒鑫, 刘光明, 袁嘉琦, 汪源, 赵灿, 王维领, 霍中洋, 许轲, 戴其根, 张洪程, 李德剑, 刘国林

Effects of side deep placement of nitrogen on rice yield and nitrogen use efficiency

HUANG Heng, JIANG Heng-Xin, LIU Guang-Ming, YUAN Jia-Qi, WANG Yuan, ZHAO Can, WANG Wei-Ling, HUO Zhong-Yang, XU Ke, DAI Qi-Gen, ZHANG Hong-Cheng, LI De-Jian, LIU Guo-Lin

表8 侧深施肥不同施肥方式对水稻氮素积累的影响

Table 8 Effects of different fertilization methods on nitrogen accumulation in rice

年份 Year	品种 Variety	处理 Treatment	拔节期 Jointing stage (×10^-2 t hm^-2)	抽穗期 Heading stage (×10^-2 t hm^-2)	成熟期 Maturity stage (×10^-2 t hm^-2)
2019	南粳9108 Nanjing 9108	0N	3.97 e	9.80 d	11.76 d
		CFM	6.48 d	16.91 c	20.86 bc
		FM1	10.54 ab	16.93 c	20.48 c
		FM2	10.76 a	17.66 ab	21.40 b
		FM3	7.67 c	18.17 a	22.53 a
		FM4	7.55 c	17.90 ab	22.10 a
	南粳5718 Nanjing 5718	0N	3.85 d	9.80 d	11.80 d
		CFM	6.07 c	18.16 c	22.45 bc
		FM1	10.46 a	18.58 c	22.34 c
		FM2	10.55 a	18.93 ab	22.83 b
		FM3	7.38 b	19.67 a	24.45 a
		FM4	7.30 b	19.45 ab	24.01 a
2020	南粳9108 Nanjing 9108	0N	3.99 e	9.84 d	11.78 d
		CFM	6.52 d	16.93 c	20.90 bc
		FM1	10.58 ab	16.97 c	20.52 c
		FM2	10.80 a	17.70 ab	21.42 b
		FM3	7.69 c	18.21 a	22.55 a
		FM4	7.59 c	17.94 ab	22.12 a
	南粳5718 Nanjing 5718	0N	3.87 d	9.86 d	11.84 d
		CFM	6.11 c	18.20 c	22.49 bc
		FM1	10.50 a	18.64 c	22.38 c
年份 Year	品种 Variety	处理 Treatment	拔节期 Jointing stage (×10^-2 t hm^-2)	抽穗期 Heading stage (×10^-2 t hm^-2)	成熟期 Maturity stage (×10^-2 t hm^-2)
		FM2	10.61 a	18.97 ab	22.87 b
		FM3	7.42 b	19.71 a	24.47 a
		FM4	7.34 b	19.47 ab	24.05 a
方差分析Variance analysis		Y	ns	ns	ns
		V	**	**	**
		T	**	**	**
		Y×V	ns	ns	ns
		Y×T	ns	ns	ns
		V×T	**	**	**
		Y×V×T	ns	ns	ns