| 李国琛,董雯昕,王世成,梁志鹏,王莹,马晓倩,赵俪儒.东北黑土区部分地域除草剂在不同作物类型土壤中残留及分布特征[J].农业环境科学学报,2024,43(8):1743-1752. |
| 东北黑土区部分地域除草剂在不同作物类型土壤中残留及分布特征 |
| Herbicide residues and distribution in cropland soils from the black soil region of northeast China |
| 投稿时间：2023-09-18 |
| DOI：10.11654/jaes.2023-0768 |
| 中文关键词: 东北黑土区 作物类型 除草剂 检出率 平均残留浓度 |
| 英文关键词: black soil region in northeast China crop type herbicide detection rate average residual concentration |
| 基金项目:中国科学院战略性先导科技专项（A类）（XDA28010503）；国家重点研发计划项目（2023YFD1500204） |
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| 中文摘要: |
| 为了解并掌握东北部分黑土区农田土壤除草剂残留情况，本研究调查了东北黑土区6个地区170份土壤样本，共检出17种除草剂。总体来看，乙草胺检出率最高，为74.7%，氟磺胺草醚平均残留量最高，为198.88 μg·kg-1。从省份来看，辽宁省除草剂检出种类最为丰富，黑龙江省除草剂残留量最高。其中，铁岭市、阜新市与长春市、四平市旱田除草剂残留情况更为相似，绥化市土壤除草剂残留情况与前者差异较大。从作物类型来看，水稻田土壤除草剂检出种类更多，旱田作物除草剂残留量更高。其中，水稻田共检出11种类型除草剂，氟磺胺草醚在玉米田和大豆田中的平均残留量分别高达68.77 μg·kg-1和409.30 μg·kg-1。研究表明，地理位置和作物类型是影响土壤除草剂残留的重要因素。 |
| 英文摘要: |
| To investigate herbicide residues in cropland from the black soil regions of northeast China, 170 soil samples from six typical black soil regions were collected, and 17 herbicides were detected. In general, acetochlor had the highest detection rate（74.7%）, and fomesafen had the highest residual concentration（198.88 μg·kg-1）. In terms of regions, soil in the Liaoning Province had the most number of herbicides residue types, and soil in the Heilongjiang Province had the highest residual concentration. The herbicides residues in dry lands of Tieling City and Fuxin City were quite similar to those in Changchun City and Siping City, and were significantly different from those in Suihua City. In terms of crop types, a wide variety of herbicides residues were detected in paddy fields, whereas the residual concentration of herbicides in dry land was high. A total of 11 herbicides were detected in paddy fields, and the average residual concentrations of fomesafen in dry lands was high at 68.77 μg·kg-1 and 409. 30 μg·kg-1 in maize and soybean fields, respectively. Taken together, our results suggest that geographical location and crop types are important factors that affect herbicide residues in soil. black soil region in northeast China; crop type; herbicide; detection rate; average residual concentration |
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