Effect of nano-selenium fertilizer on rice yield and selenium content

doi:10.16178/j.issn.0528-9017.20240109

Abstract

Abstract:

Selenium is one of the essential trace elements for the human body and has important health benefits. Different fertilization methods and concentrations were used to study the effects of nano-selenium fertilizer on selenium content and yield of rice variety Hanyou 73. The results showed that 150 mL of nano-selenium fertilizer applied to 667 m² roots could effectively increase the selenium content of rice tissues, and the selenium content in leaves changed most significantly. In rice grains, the selenium content was in the order of T2>T1>T3>T4, that was, T2 treatment had the best effect, and the absorption of selenium in rice would be inhibited with excessive application of nano-selenium fertilizer. T2 treatment could effectively promote the yield of rice, which was 17.49% higher than that of CK. One year after rice planting, the selenium content in the soil treated with T2 decreased slightly, and the selenium content in the other treated soils increased to varying degrees. In this paper, we compared the selenium absorption capacity of rice under different nano-selenium fertilizer fertilization methods and concentrations, and increased yield and efficiency to produce high-quality selenium-rich rice.

Key words: nano-selenium fertilizer, rice, yield, selenium content

CLC Number:

S511

ZHENG Lin, YANG Shuai, HUANG Xin, ZHENG Lei, JIANG Yunzhu, DAI Fen. Effect of nano-selenium fertilizer on rice yield and selenium content[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(3): 576-579.

Figures/Tables 4

References 11

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处理	N/ (g·kg^-1)	P/ (mg·kg^-1)	K/ (mg·kg^-1)	Se/ (mg·kg^-1)
CK1	1.116	4 164.48	14 094.47	0.59
CK2	0.865	3 178.21	11 825.92	0.72
CK3	1.340	3 025.02	14 283.24	0.92
T1-1	1.353	2 289.90	20 771.33	0.46
T1-2	0.712	3 315.90	14 088.49	0.72
T1-3	1.149	3 102.13	20 848.34	0.54
T2-1	1.381	2 766.08	21 612.37	0.53
T2-2	0.948	3 039.39	21 537.47	0.70
T2-3	1.402	2 798.40	23 625.37	0.35
T3-1	1.525	2 388.36	18 897.82	0.55
T3-2	0.949	3 044.05	13 658.82	0.63
T3-3	2.055	2 882.80	20 554.39	0.68
T4-1	1.531	2 797.01	17 624.05	0.42
T4-2	0.938	2 451.22	16 383.93	0.44
T4-3	1.310	3 098.24	18 137.21	0.56
平均值	1.238	2 956.08	17 862.88	0.59

处理	N/ (g·kg^-1)	P/ (mg·kg^-1)	K/ (mg·kg^-1)	Se/ (mg·kg^-1)
CK1	1.116	4 164.48	14 094.47	0.59
CK2	0.865	3 178.21	11 825.92	0.72
CK3	1.340	3 025.02	14 283.24	0.92
T1-1	1.353	2 289.90	20 771.33	0.46
T1-2	0.712	3 315.90	14 088.49	0.72
T1-3	1.149	3 102.13	20 848.34	0.54
T2-1	1.381	2 766.08	21 612.37	0.53
T2-2	0.948	3 039.39	21 537.47	0.70
T2-3	1.402	2 798.40	23 625.37	0.35
T3-1	1.525	2 388.36	18 897.82	0.55
T3-2	0.949	3 044.05	13 658.82	0.63
T3-3	2.055	2 882.80	20 554.39	0.68
T4-1	1.531	2 797.01	17 624.05	0.42
T4-2	0.938	2 451.22	16 383.93	0.44
T4-3	1.310	3 098.24	18 137.21	0.56
平均值	1.238	2 956.08	17 862.88	0.59

处理	667 m² 产量/kg	667 m² 有效穗数/万	千粒重/ g	穗粒数
CK	626.56	17.43	27.58	187
T1	695.14	18.03	28.81	192
T2	736.15	18.80	28.81	195
T3	654.97	18.70	28.88	174
T4	685.80	19.20	28.79	178

处理	667 m² 产量/kg	667 m² 有效穗数/万	千粒重/ g	穗粒数
CK	626.56	17.43	27.58	187
T1	695.14	18.03	28.81	192
T2	736.15	18.80	28.81	195
T3	654.97	18.70	28.88	174
T4	685.80	19.20	28.79	178

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