High frequency root dynamics: sampling and interpretation using replicated robotic minirhizotrons.

ABSTRACT: Automating dynamic fine root data collection in the field is a longstanding challenge with multiple applications for co-interpretation and synthesis for ecosystem understanding. High frequency root data are only achievable with paired automated sampling and processing. However, automatic minirhizotron (root camera) instruments are still rare and data are often not collected in natural soils or analysed at high temporal resolution. Instruments must also be affordable for replication and robust under variable natural conditions. Here, we show a system built with off-the-shelf parts which samples at sub-daily resolution. We paired this with a neural network to analyse all images collected. We performed two mesocosm studies and two field trials alongside ancillary data collection (soil CO2 eff

SUBMITTER: Nair R 

PROVIDER: S-EPMC9899415 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature