A Simple Roller-Mill Grinding Procedure for Plant and Soil ...
A Simple Roller-Mill Grinding Procedure for Plant and Soil Samples S. L. Arnold University of Nebraska-Lincoln, ... ( 5.5cm) were placed into each, along with the oven dried (plant 55 C and soil 70 C) sample. Sample size for soil, plant stems and leaves, and grain was approximately 2.5, 0.3, and 1.5g, respectively. ... 83% for the Spex a mill ...