Pesticide concentrations in bees and other matrices collected from sunflower fields (with and without a neonicotinoid seed treatment) near Sacramento, California

Hybrid sunflower production occurs near Sacramento in Northern California where seed treatments are commonly used. In this study, four locations were sampled in 2016...杂交向日葵种植产业主要分布于美国北加利福尼亚州萨克拉门托周边区域，该区域普遍应用种子处理（seed treatments）技术。本研究于2016年对四个采样位点进行了采样……