Excerpt from An Integrated Technique for Evaluating Root Growth Potential of Tree Seedlings Measure posttest root area index. - When a test is terminated, seedling roots must be kept moist until they are measured because drying will result in root shrink age and a decrease in root area. The new White roots are stained dark (to make them visible to the camera) by dip ping root systems in a large beaker of paragon multiple stain g toluidine blue g basic fuchsin in ml 30% ethanol). The seedlings are clipped to the root collar, rinsed, and blotted dry. Then, root area index is measured using the same reference point and repeat mea surement procedure used in the pretest measurement. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.