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Table 1 Year, tubes installed, days required and efficiency of installation method

From: Installation and imaging of thousands of minirhizotrons to phenotype root systems of field-grown plants

Year Planting Date Beginning of Tube Installation End of Tube Installation Plots with Tubes Tubes Installed Average Tubes per Plot Installation Days Average Tractors Used Per Day Operators per tractor Total Worker days Average Tubes Installed per Worker Hour Average Tubes Installed per 8 h per Tractor
2017 5/31/2017 6/5/2017 6/13/2017 754 1508 2.00 7 4 2 56.0 3.37 53.9
2018 4/29/2018 4/30/2018 5/29/2018 950 3015 3.17 13 3.333 2 86.7 4.35 69.6
2019 5/18/2019 5/20/2019 6/7/2019 783 3038 3.88 9 4 2 72.0 5.27 84.4