University of California Publications in Agricultural Sciences, 1913-1929, Vol. 2 (Classic Reprint) PDF Download
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Author: Roy E. Clausen Publisher: Forgotten Books ISBN: 9781334421709 Category : Science Languages : en Pages : 626
Book Description
Excerpt from University of California Publications in Agricultural Sciences, 1913-1929, Vol. 2 Turning next to the three hypotheses which serve as a basis for the investigation now in progress, it would seem that sufficient work along any one of these lines might lead to a solution of the problem. They will be discussed in the order in which they were originally taken up by the writer. They are as follows. 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.
Author: Roy E. Clausen Publisher: Forgotten Books ISBN: 9780656087983 Category : Science Languages : en Pages : 624
Book Description
Excerpt from University of California Publications in Agricultural Sciences, 1913-1929, Vol. 2 Perhaps the most interesting thing about these trees is their resemblance to oak trees. In mass effect they resemble small leaved oaks more than walnuts. This is mostly due to the small size of the leaves and to their color, which is a darker or duller shade of green than that of California black walnut leaves. These features, associated with the fact, noted by Disher, that the parent tree stood close beside a coast live oak tree (quercus agrifolia Nee), are sufficient to account for the View, held by a number of persons, that this new form originated through hybridization between walnut and oak. As the seeds were planted in 1901, these trees are now twelve years old. The two retained by Mr. Disher were left in the nursery, which was set out to commercial varieties of walnut (juglans regia) later on by the owner of the farm. He has allowed the trees to stand unmolested, except for trim ming up low-hanging branches. Now they have attained a height of twenty-five feet and have a spread of branches about twenty feet in diameter. Seen among the broad-leaved English walnuts, these two trees present a distinct appearance with their many slender branchlets and their sparse foliage. In early spring and late autumn or early winter the contrast is even greater, because these trees and other specimens of the new form resemble south ern California black walnuts in the brevity of their dormant period. They leaf out very early in spring and some leaves per sist until February. The English walnuts, however, come into leaf from April to June, according to the variety, and by Nov ember are once more leafless. 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.
Author: Roy E. Clausen
Author: Roy E. Clausen
Author: University of California (System). Institute of Library Research
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Author: Library of Congress
Author: Library of Congress
Author: Stanford University. Libraries
Author: University of California, Los Angeles. Library
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