缓释氮肥与尿素配施对机插杂交籼稻碳氮积累的影响

吕腾飞, 谌洁, 代邹, 马鹏, 杨志远, 郑传刚, 马均

Effects of combined application of slow release nitrogen fertilizer and urea on carbon and nitrogen accumulation in mechanical transplanted hybrid rice

LYU Teng-Fei, SHEN Jie, DAI Zou, MA Peng, YANG Zhi-Yuan, ZHENG Chuan-Gang, MA Jun

表4 主要生育时期植株全碳、全氮积累量和碳氮比

Table 4 Effects of different machine-transplantation methods and N treatments on C, N accumulation and C/N

年份 Year	处理 Treatment		全碳积累量 C accumulation (t hm^-2)			全氮积累量 N accumulation (kg hm^-2)			碳氮比 C/N			产量 Yield (kg hm^-2)
年份 Year	处理 Treatment		拔节期 Elongation stage	抽穗期 Heading stage	成熟期 Maturity stage	拔节期 Elongation stage	抽穗期 Heading stage	成熟期 Maturity stage	拔节期 Elongation stage	抽穗期 Heading stage	成熟期 Maturity stage	产量 Yield (kg hm^-2)
2016	M₁N₀		0.84±0.02 d	3.19±0.02 d	4.84±0.08 c	27.20±0.53 d	93.07±1.33 d	138.24±1.25 d	3.07±0.02 a	3.43±0.05 a	3.50±0.05 b	7647.32±191.73 c
	M₁N₁		1.68±0.04 b	5.53±0.06 c	8.13±0.05 a	87.08±2.15 b	220.60±0.81 b	234.28±1.62 b	1.93±0.02 c	2.51±0.03 c	3.47±0.01 bc	12,057.53±175.03 b
	M₁N₂		2.00±0.04 a	5.73±0.03 b	7.77±0.02 b	93.50±1.37 a	188.59±0.78 c	215.34±0.83 c	2.14±0.01 b	3.04±0.02 b	3.61±0.02 a	11,665.74±182.51 b
	M₁N₃		1.50±0.04 c	5.84±0.08 a	8.25±0.07 a	70.60±2.14 c	229.21±3.46 a	240.34±0.49 a	2.12±0.01 b	2.55±0.01 c	3.43±0.02 c	12,608.57±197.97 a
	M₂N₀		0.90±0.02 c	2.71±0.08 c	4.62±0.05 d	40.71±0.64 d	79.77±1.83 d	130.67±1.49 d	2.20±0.01 a	3.40±0.05 a	3.53±0.02 a	7066.64±123.93 c
	M₂N₁		1.40±0.04 b	4.80±0.06 b	7.72±0.07 b	84.97±0.86 b	191.60±3.37 b	220.27±1.42 b	1.64±0.04 c	2.50±0.02 c	3.50±0.01 a	10,830.51±272.57 b
	M₂N₂		1.69±0.01 a	4.78±0.05 b	7.42±0.07 c	90.35±0.71 a	161.51±1.05 c	209.40±2.16 c	1.88±0.01 b	2.96±0.02 b	3.54±0.01 a	10,501.40±159.28 b
	M₂N₃		1.43±0.01 b	5.45±0.06 a	8.08±0.10 a	76.95±0.77 c	221.13±5.70 a	235.36±4.20 a	1.85±0.01 b	2.47±0.04 c	3.43±0.02 b	11,410.96±151.36 a
	F-value	M	266.22^**	108.62^**	89.41^*	20.50^*	134.29^**	225.03^**	846.21^**	18.31 ns	0.01 ns	272.61^**
		N	362.85^**	254.01^**	961.60^**	787.38^**	346.68^**	908.66^**	865.00^**	436.76^**	9.75^**	267.08^**
		M×N	16.72^**	26.12^**	1.18 ns	17.72^**	9.42^**	1.71 ns	139.52^**	0.80 ns	1.69 ns	1.43 ns
2017	M₁N₀		0.75±0.01 c	3.14±0.07 c	5.08±0.08 c	27.30±0.11 d	87.08±2.29 c	144.60±3.16 c	2.73±0.02 a	3.61±0.05 a	3.51±0.02 b	7336.30±169.64 d
	M₁N₁		1.52±0.02 b	5.61±0.03 b	8.23±0.05 ab	92.64±1.55 b	216.92±1.92 a	246.55±1.97 a	1.64±0.01 d	2.59±0.01 d	3.34±0.01 c	11,636.94±176.42 b
	M₁N₂		1.80±0.05 a	5.69±0.12 b	8.10±0.14 b	102.02±2.36 a	174.79±4.52 b	216.91±1.99 b	1.77±0.01 c	3.25±0.03 b	3.73±0.04 a	11,191.95±256.75 c
	M₁N₃		1.56±0.03 b	6.16±0.12 a	8.44±0.03 a	83.41±2.45 c	218.62±4.53 a	249.01±3.08 a	1.87±0.03 b	2.82±0.01 c	3.39±0.05 c	12,178.10±187.51 a
	M₂N₀		0.70±0.03 b	2.92±0.06 c	4.82±0.09 d	31.39±1.00 c	71.90±1.06 d	132.85±2.29 d	2.24±0.02 a	4.05±0.02 a	3.63±0.01 a	6889.11±145.79 c
	M₂N₁		1.52±0.04 a	4.96±0.10 b	8.01±0.06 b	91.24±1.36 a	177.83±2.73 b	227.15±0.75 b	1.66±0.02 b	2.79±0.02 c	3.53±0.02 b	10,794.88±111.85 ab
	M₂N₂		1.49±0.05 a	4.90±0.09 b	7.69±0.09 c	94.93±3.01 a	162.98±2.69 c	210.06±4.96 c	1.57±0.02 c	3.01±0.01 b	3.66±0.04 a	10,527.79±198.08 b
	M₂N₃		1.44±0.03 a	5.39±0.08 a	8.34±0.13 a	84.62±0.82 b	202.21±3.34 a	236.07±2.30 a	1.70±0.01 b	2.67±0.01 d	3.53±0.02 b	11,242.41±171.13 a
	F-value	M	35.45^*	178.71^**	45.00^*	0.60 ns	215.94^**	654.57^**	527.78^**	18.37 ns	18.26 ns	52.26^*
		N	346.16^**	417.44^**	722.79^**	662.11^**	904.02^**	551.82^**	750.06^**	110.09^**	28.25^**	233.49^**
		M×N	9.34^**	4.71^*	1.76 ns	3.74^*	10.11^**	1.61 ns	53.85^**	102.91^**	6.30^**	0.61 ns