doi:10.16178/j.issn.0528-9017.20230776

Abstract

CLC Number:

S511
S153

Figures/Tables 4

References 10

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处理	底肥(20-8-12)
T1	底肥中10%N控释,控释约60 d
T2	底肥中6%N控释,其中一半控释约60 d,另一半控释约90 d
T3	底肥中8%N控释,其中一半控释约60 d,另一半控释约90 d
T4	底肥中10%N控释,其中一半控释约60 d,另一半控释约90 d
T5	底肥中12%N控释,其中一半控释约60 d,另一半控释约90 d
T6	普通水稻肥,不控释

处理	底肥(20-8-12)
T1	底肥中10%N控释,控释约60 d
T2	底肥中6%N控释,其中一半控释约60 d,另一半控释约90 d
T3	底肥中8%N控释,其中一半控释约60 d,另一半控释约90 d
T4	底肥中10%N控释,其中一半控释约60 d,另一半控释约90 d
T5	底肥中12%N控释,其中一半控释约60 d,另一半控释约90 d
T6	普通水稻肥,不控释

处理	株高/cm	穗长/cm	有效穗/(万·hm^-2)	千粒重/g	每穗总粒数	结实率/%	产量/(kg·hm^-2)
T1	101.56 b	19.94 b	245.73 ab	22.47 c	280.94 ab	83.09 b	9 004.35 ab
T2	101.42 b	19.69 b	234.86 ab	24.14 a	273.33 abc	86.41 a	8 979.85 ab
T3	100.15 b	19.82 b	243.17 ab	23.82 ab	290.86 ab	82.60 b	9 859.75 a
T4	104.87 a	20.87 a	254.04 a	23.46 b	294.19 a	78.00 c	9 156.70 ab
T5	100.08 b	20.31 ab	224.84 b	23.93 ab	268.94 bc	85.10 ab	8 879.05 ab
T6(CK)	100.93 b	20.04 b	220.58 b	23.49 b	257.03 c	85.40 ab	8 549.30 b

处理	株高/cm	穗长/cm	有效穗/(万·hm^-2)	千粒重/g	每穗总粒数	结实率/%	产量/(kg·hm^-2)
T1	101.56 b	19.94 b	245.73 ab	22.47 c	280.94 ab	83.09 b	9 004.35 ab
T2	101.42 b	19.69 b	234.86 ab	24.14 a	273.33 abc	86.41 a	8 979.85 ab
T3	100.15 b	19.82 b	243.17 ab	23.82 ab	290.86 ab	82.60 b	9 859.75 a
T4	104.87 a	20.87 a	254.04 a	23.46 b	294.19 a	78.00 c	9 156.70 ab
T5	100.08 b	20.31 ab	224.84 b	23.93 ab	268.94 bc	85.10 ab	8 879.05 ab
T6(CK)	100.93 b	20.04 b	220.58 b	23.49 b	257.03 c	85.40 ab	8 549.30 b

处理	试验阶段	有机质含量/ (g·kg^-1)	全氮含量/ (mg·kg^-1)	有效磷含量/ (mg·kg^-1)	速效钾含量/ (mg·kg^-1)	pH值
T1	试验前	25.3	932	54.1	415	6.27
	试验后	26.1	891	61.2	290	6.43
T2	试验前	21.1	778	31.0	335	5.82
	试验后	21.6	846	39.3	327	5.98
T3	试验前	25.6	675	32.7	363	5.96
	试验后	25.1	590	64.6	294	6.12
T4	试验前	24.8	643	33.2	285	6.08
	试验后	25.9	706	45.6	232	6.23
T5	试验前	24.8	641	33.2	285	6.12
	试验后	25.2	575	45.3	254	6.24
T6(CK)	试验前	24.4	573	34.2	317	5.94
	试验后	24.8	490	56.8	263	6.17

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处理	氮肥偏生产力/ (kg·kg^-1)	肥料成本/ (元·hm^-2)	实收产值/ (元·hm^-2)	产出投入比	产量增收/ (元·hm^-2)
T1	47.64	2 990.0	23 411.31	7.83	1 183.13
T2	47.51	2 990.0	23 347.61	7.81	1 119.43
T3	52.17	2 990.0	25 635.35	8.57	3 407.17
T4	48.45	2 990.0	23 807.42	7.96	1 579.24
T5	46.98	2 990.0	23 085.53	7.72	8 57.35
T6(CK)	45.23	2 720.0	22 228.18	8.17	0

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