Investigation and Analysis of the Residual Status and Distribution of Long-Lasting-Effect Herbicides in Field Soil: A Case Study of Henan Province, a Major Agricultural Producing Area in China

Guangling Li, Yang Yang, Shoumeng Wang, Dongzhi Li, Runqiang Liu (), Youduo Zhang and Yanbing Wu ()
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Guangling Li: School of Plant Protection and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
Yang Yang: School of Plant Protection and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
Shoumeng Wang: School of Plant Protection and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
Dongzhi Li: School of Plant Protection and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
Runqiang Liu: School of Plant Protection and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
Youduo Zhang: School of Plant Protection and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
Yanbing Wu: School of Plant Protection and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China

Agriculture, 2025, vol. 15, issue 9, 1-14

Abstract: The results demonstrated that among the total 365 investigated samples, the proportion of samples detecting three target herbicides simultaneously, two herbicides, one herbicide, and none were 0.3%, 6.4%, 65.2%, and 23.2%, respectively. For samples with only one detected herbicide, the detection rates in Jiyuan, Luohe, Puyang, Luoyang, Xuchang, and Hebi were relatively high (ranging from 44% to 100%), whereas those in Sanmenxia, Nanyang, Xinxiang, and Kaifeng were relatively low (ranging from 6% to 20%). Regarding individual herbicides, the detection rates of mesosulfuron-methyl, quinclorac, halosulfuron-methyl, diflufenican, imazethapyr, pyroxasulfone, imazapic, fomesafen, and atrazine were 1.2%, 3.8%, 5.5%, 6.1%, 8.7%, 8.7%, 10.4%, 11.0%, and 33.9%, respectively. Based on these findings, the current reliance on long-acting effect herbicides for weed management in China’s agricultural management practices was systematically analyzed. Within the framework of agricultural sustainability, it is proposed that there is an urgent need to promote the concept of scientific herbicide use among farmers and that pesticide scientists must recognize the extreme importance of continuous innovation and the development of alternative herbicides with new mechanisms of action as a long-term strategic goal.

Keywords: long-lasting-effect herbicide; multi-residue; field soil; grid-point sampling method; geographical distribution of residues; provincial-scale (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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