Effects of optimizing fertilization methods on rice yield and soil nutrient balance

doi:10.3969/j.issn.1004-1524.20240132

Acta Agriculturae Zhejiangensis ›› 2025, Vol. 37 ›› Issue (2): 438-446.DOI: 10.3969/j.issn.1004-1524.20240132

• Environmental Science • Previous Articles Next Articles

Effects of optimizing fertilization methods on rice yield and soil nutrient balance

LI Jianqiang¹(), WEI Qianqian², LIU Xiaoxia³, ZHANG Junhua², ZHU Chunquan²^,^*()

1. Pinghu Plant Protection and Soil Fertilizer Technology Promotion Center, Pinghu 314200, Zhejiang, China
2. State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, China
3. Zhejiang Cultivated Land Quality and Fertilizer Administration Station, Hangzhou 310020, China

Received:2024-02-19 Online:2025-02-25 Published:2025-03-20
Contact: ZHU Chunquan

Abstract

Abstract:

To explore suitable new fertilizers and the optimal application dosage in the Hangzhou-Jiahu-Hu region, three kinds of news fertilizers were used in present study. Taking the local conventional fertilizer application dosage in Pinghu as the control, the new types of fertilizer which suitable for the high quality and high yield rice production in the local were screened out by a field experiment, and further to explore the method with the purpose of nitrogen reduction and efficiency improvement for new fertilizer. The results showed that compared with the conventional fertilizer application in the local area, the application of Maoshi slow-release fertilizer significantly (P<0.05) increased rice dry weight and nitrogen use efficiency, and increased rice yield via increasing the seed numbers per spike and the seed setting rate. Furthermore, Maoshi slow-release fertilizer significantly increased soil organic matter content and alkali hydrolyzed nitrogen content, increased the activities of urease and ammonia monooxygenase along with abundance of relevant functional genes, and increased soil microbial biomass carbon and nitrogen content. Compared to the conventional nitrogen application amount, reduced 10% of nitrogen when applied Maoshi slow-release fertilizer significantly increased nitrogen use efficiency without compromising rice yield and rice quality. In summary, applying Moshi slow-release fertilizer with a 10% nitrogen reduction from conventional dosage achieves both nitrogen reduction and efficieny enhancement in rice cultivation.

Key words: Maoshi slow-release fertilizer, nitrogen reduction and efficiency enhancement, rice, nitrogen use efficiency, yield

CLC Number:

S511

LI Jianqiang, WEI Qianqian, LIU Xiaoxia, ZHANG Junhua, ZHU Chunquan. Effects of optimizing fertilization methods on rice yield and soil nutrient balance[J]. Acta Agriculturae Zhejiangensis, 2025, 37(2): 438-446.

Figures/Tables 12

References 21

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基因名称 Gene name	正向引物序列(5'→3') Forward primer sequence(5'→3')	反向引物序列(5'→3') Reverse primer sequence(5'→3')	参考文献 Reference
ureC	AAGSTSCACGAGGACTGGGG	AGGTGGTGGCASACCATSAGCAT	[14]
Arch-amoA	TAATGGTCTGGCTTAGACG	CGGCCATCCATCTGTATGT	[13]
Bact-amoA	GGGGTTTCTACTGGTGGT	CCCCTCKGSAAAGCCTTCTTC	[13]

基因名称 Gene name	正向引物序列(5'→3') Forward primer sequence(5'→3')	反向引物序列(5'→3') Reverse primer sequence(5'→3')	参考文献 Reference
ureC	AAGSTSCACGAGGACTGGGG	AGGTGGTGGCASACCATSAGCAT	[14]
Arch-amoA	TAATGGTCTGGCTTAGACG	CGGCCATCCATCTGTATGT	[13]
Bact-amoA	GGGGTTTCTACTGGTGGT	CCCCTCKGSAAAGCCTTCTTC	[13]

处理 Treatment	穗数 Spike number/(10⁴ hm^-2)	穗粒数 Seed number per spike	结实率 Seed setting rate/%	千粒重 1 000-gain weight/g	产量 Yield/(kg·hm^-2)
CK	206.10±4.80 c	190.78±1.59 c	96.47±0.37 a	23.24±0.02 b	9 094.80±215.55 c
CF	244.35±14.70 ab	184.69±1.15 d	85.92±1.26 c	23.30±0.05 a	9 455.40±195.75 b
MSF	244.50±7.80 ab	194.41±2.19 b	90.75±1.33 b	23.32±0.03 b	9 810.45±207.45 a
JSF	239.25±7.65 b	181.34±2.73 e	89.18±0.52 b	24.19±0.02 a	9 606.15±135.00 b
SSF	245.55±4.20 a	208.31±4.93 a	90.28±1.45 b	23.22±0.04 b	9 724.80±297.60 b

处理 Treatment	穗数 Spike number/(10⁴ hm^-2)	穗粒数 Seed number per spike	结实率 Seed setting rate/%	千粒重 1 000-gain weight/g	产量 Yield/(kg·hm^-2)
CK	206.10±4.80 c	190.78±1.59 c	96.47±0.37 a	23.24±0.02 b	9 094.80±215.55 c
CF	244.35±14.70 ab	184.69±1.15 d	85.92±1.26 c	23.30±0.05 a	9 455.40±195.75 b
MSF	244.50±7.80 ab	194.41±2.19 b	90.75±1.33 b	23.32±0.03 b	9 810.45±207.45 a
JSF	239.25±7.65 b	181.34±2.73 e	89.18±0.52 b	24.19±0.02 a	9 606.15±135.00 b
SSF	245.55±4.20 a	208.31±4.93 a	90.28±1.45 b	23.22±0.04 b	9 724.80±297.60 b

处理 Treatment	有机质含量 Organic matter content/%	总氮含量 Total nitrogen content/(g·kg^-1)	碱解氮含量 Alkali hydrolyzed content N/(mg·kg^-1)	有效磷含量 Available P content/(mg·kg^-1)	速效钾含量 Available K content/(mg·kg^-1)
CK	2.57±0.27 b	1.32±0.07 b	146.35±5.31 c	62.09±2.96 a	58.36±2.86 b
CF	2.54±0.13 b	1.33±0.05 ab	155.26±7.69 b	54.06±5.67 b	63.96±6.39 ab
MSF	3.08±0.21 a	1.42±0.08 a	167.28±8.72 a	55.92±4.83 b	68.52±4.13 ab
JSF	2.66±0.32 b	1.39±0.09 ab	151.82±12.73 b	68.31±8.04 a	72.03±9.22 a
SSF	2.48±0.22 b	1.35±0.10 ab	159.26±15.46 b	64.49±3.26 a	66.31±1.99 ab

Effects of optimizing fertilization methods on rice yield and soil nutrient balance

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处理 Treatment	干重Dry weight
处理 Treatment	叶Leaf	茎Stem	穗Spike
CK	6.03±0.53 d	17.55±1.39 b	44.31±1.12 c
T1	7.43±0.52 a	17.94±0.95 ab	54.61±1.85 a
T2	6.64±0.33 b	17.38±0.69 b	53.23±0.39 a
T3	6.24±0.10 c	18.45±0.46 a	47.69±0.62 b

处理 Treatment	穗数 Spike number/ (10⁴·hm^-2)	穗粒数 Seed number per spike	结实率 Seed setting rate/%	千粒重 1 000-grain weight/g	产量 Yield/(kg·hm^-2)
CK	207.15±4.65 b	190.23±1.66 c	86.62±0.26 a	23.24±0.02 b	9 059.25±240.75 b
T1	265.20±12.45 a	213.63±2.54 a	84.83±1.04 a	23.22±0.07 b	9 397.95±377.55 a
T2	259.65±15.30 a	210.66±3.18 a	81.27±1.55 b	23.21±0.04 b	9 268.65±297.60 a
T3	211.35±6.75 b	195.75±3.11 b	85.85±0.98 a	23.51±0.07 a	8 448.45±289.35 c

处理 Treatment	糙米率 Husked rice rate	整精米率 Head rice yield	直链淀粉含量 Amylose content	精米率 Milled rice rate	蛋白质含量 Protein content
CK	83.1±2.51 a	63.2±2.15 b	17.2±3.21 a	74.4±1.36 a	6.67±0.35 b
T1	83.1±3.25 a	69.8±1.35 a	16.8±1.36 a	74.3±2.14 a	8.04±0.48 a
T2	82.2±2.66 a	71.4±1.11 a	17.1±2.14 a	74.2±2.25 a	7.78±0.55 a
T3	83.0±1.85 a	70.5±1.26 a	17.2±2.16 a	74.1±1.34 a	8.04±0.39 a

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处理 Treatment	氮含量Nitrogen content/(g·kg^-1)			氮肥利用率 Nitrogen use efficiency/%
处理 Treatment	叶Leaf	茎Stem	穗Spike	氮肥利用率 Nitrogen use efficiency/%
CK	7.86±0.38 c	4.75±0.13 b	10.04±0.50 b	—
T1	9.65±0.48 a	8.45±0.71 a	13.70±0.47 a	46.51±1.47 b
T2	9.77±0.33 a	8.67±0.35 a	14.02±0.15 a	50.51±1.21 a
T3	9.05±0.10 b	8.42±0.36 a	14.37±0.52 a	47.37±1.80 b

处理 Treatment	氮含量Nitrogen content/(g·kg^-1)			氮肥利用率 Nitrogen use efficiency/%
处理 Treatment	叶Leaf	茎Stem	穗Spike	氮肥利用率 Nitrogen use efficiency/%
CK	7.86±0.38 c	4.75±0.13 b	10.04±0.50 b	—
T1	9.65±0.48 a	8.45±0.71 a	13.70±0.47 a	46.51±1.47 b
T2	9.77±0.33 a	8.67±0.35 a	14.02±0.15 a	50.51±1.21 a
T3	9.05±0.10 b	8.42±0.36 a	14.37±0.52 a	47.37±1.80 b