Off-target agricultural chemical transport to surface water has been studied under USEPA Good Laboratory Practice Standards for many years to support environmental risk assessment.  Field-scale runoff studies provide real-world data to understand the potential environmental exposure, resulting from runoff or erosion of agricultural chemicals.   A multi-year field scale runoff study was designed to evaluate vegetative filter strip (VFS) performance under natural rainfall conditions in Missouri, under a corn/soybean crop rotation. The study consists of nine runoff plots with varying, replicated VFSs widths (3 plots each of:  0ft, 15ft, and 30ft). Additionally, plots were instrumented to facilitate future modeling. The runoff collection programming was designed with adherence to NRCS Edge-of-Field Monitoring System Guidance.  Design complexities including unattended, refrigerated, runoff sample collection for a multi-year study under natural rainfall conditions will be discussed, and initial data collected from the treatments will be presented.<br/>

Multi-year field studies evaluating the benefits of vegetative filter strips

2019 Fall National Meeting

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