Excerpt from Growth and Quality of Pruned Black WalnutDiameter growth at breast height and at 9 feet and total height growth for the 10-year period were the same for pruned and unpruned trees. Surprisingly, growth for the 2 and 5-year periods was best on pruned trees. Most information available on pruning is for conifers and shows that growth following live pruning usually slows down for a few years.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.