Influence of Some Environmental Factors on Initial Establishment and Growth of Ponderosa Pine Seedlings (Classic Reprint)

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Excerpt from Influence of Some Environmental Factors on Initial Establishment and Growth of Ponderosa Pine SeedlingsNatural restocking principally requires a good seed crop, a low rodent population, adequate available moisture, and bare mineral soil (foiles and Curtis A bare mineral soil seedbed is thought to provide seeds and seedlings with more moisture, nutri ents, and sunlight by reducing competing vegetation and by eliminating the dry, dense litter - duff layer. Baker (1951) and Fowells and Schubert (1951) observed that invading pines were more numerous on mineral soil seedbeds than on any other sites.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.