Estimation of fine root biomass using a minirhizotron technique among three vegetation types in a cool-temperate brackish marsh (2016)
https://www.tandfonline.com/doi/full/10.1080/00380768.2016.1205957
Estimation of the fine root biomass in a Japanese cedar (Cryptomeria japonica) plantation using minirhizotrons (2004)
https://www.tandfonline.com/doi/abs/10.1007/s10310-004-0079-x#aHR0cHM6Ly93d3cudGFuZGZvbmxpbmUuY29tL2RvaS9wZGYvMTAuMTAwNy9zMTAzMTAtMDA0LTAwNzkteD9uZWVkQWNjZXNzPXRydWVAQEAw
Disturbances during minirhizotron installation can affect root observation data(1999)
https://acsess.onlinelibrary.wiley.com/doi/abs/10.2136/sssaj1999.03615995006300010031x