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Residues and influencing factors of herbicides in dryland soil profiles in the black soil region of Northeast China
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Han-qiang LIU1, 2, Rui LI1, 2, Le JIAN1, 3, Wen-you HU1, 2, *, En-ze XIE1, 2, Biao HUANG1, 2, Yong-cun ZHAO1, 2
China Environmental Science | 2025, 45(1) : 243 - 252
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China Environmental Science | 2025, 45(1): 243-252
• Soil Pollution Control •
Residues and influencing factors of herbicides in dryland soil profiles in the black soil region of Northeast China
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Han-qiang LIU1, 2, Rui LI1, 2, Le JIAN1, 3, Wen-you HU1, 2, *, En-ze XIE1, 2, Biao HUANG1, 2, Yong-cun ZHAO1, 2
Affiliations
  • 1.State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China
  • 2.University of Chinese Academy of Sciences, Beijing 100049, China
  • 3.Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101400, China
Published: 2025-01-20
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This study examined the vertical distribution of herbicide residues in 14 typical dryland soil profiles (0~100cm) from the black soil region of Northeast China. Residues from 57 different herbicides were measured across various soil depths to clarify their vertical distribution characteristics and influencing factors. The findings revealed that herbicide residue characteristics were primarily influenced by the application strategies under different land uses. Notably, nicosulfuron, a commonly used herbicide in cornfields, exhibited significantly higher residue levels in the 0~60cm soil layer compared to other herbicides. A negative correlation was observed between the herbicide's octanol-water partition coefficient (logKow) and its distribution ratio in the surface soil (0~20cm)(P<0.001), while a positive correlation was found between the herbicide's degradation period and its distribution ratio in the deep soil(80~100cm) (P<0.05). Additionally, soil pH was negatively correlated with herbicide residues in surface soils (P<0.05), and soil bulk density was negatively correlated with herbicide residues in deep soils (P<0.05). Summer rainfall was found to enhance the vertical migration of herbicides within the soil profile. These results provide crucial data and a scientific foundation for the mitigating, risk control and management of herbicide residues in the agricultural soils of China's black soil region.

black soil  /  herbicide  /  soil profile  /  residual characteristics  /  influencing factor
Han-qiang LIU, Rui LI, Le JIAN, Wen-you HU, En-ze XIE, Biao HUANG, Yong-cun ZHAO. Residues and influencing factors of herbicides in dryland soil profiles in the black soil region of Northeast China[J]. China Environmental Science, 2025 , 45 (1) : 243 -252 .
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Article Info
  • Receive Date：2024-06-18
  • Online Date：2026-03-18
  • Published：2025-01-20
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  • Received：2024-06-18
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Affiliations
    1.State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China
    2.University of Chinese Academy of Sciences, Beijing 100049, China
    3.Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101400, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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