Milling plant and soil material in plastic tubes over ...
Plant Soil (2013) 369:509-513 511 Table 1 Fitted lines for carbon (C) and nitrogen (N) concentrations of roots milled in microcentrifuge tubes and stainless steel jars for each 'treatment' (milling time, milling intensity, sample size) Element Treatment Milling method Predicted line Treatment*1 Milling Method Treatment x milling method