A microplot design for 15N tracer research is described to accommodate multiple in-season plant and soil sampling events. Soil and plant sample collection and processing procedures, including grinding and weighing protocols, for 15N analysis are put forth.
Spackman, J. A., Fernandez, F. G. Microplot Design and Plant and Soil Sample Preparation for 15Nitrogen Analysis. J. Vis. Exp. (159), e61191, doi:10.3791/61191 (2020).