Fig. 2From: Evaluation of the root system of Vetiver grass (Chrysopogon zizanioides L. Roberty) using different sampling methods(Source: The authors (2021))a Roots and soil collection with the volumetric ring showing the insertion of the rings in the soil on the vertical face of the trench for sample collection and subsequent image processing; b Schematic diagram of the adopted methods for root collectionBack to article page