Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 335
... period of 112 days . with a total increase of 4 mm . in diameter . Enlargement of the trunk began on May 9 , 1927 , and continued for 136 days terminating September 20 with a total increase of 3.5 mm . 92 nuts were collected . The ...
... period of 112 days . with a total increase of 4 mm . in diameter . Enlargement of the trunk began on May 9 , 1927 , and continued for 136 days terminating September 20 with a total increase of 3.5 mm . 92 nuts were collected . The ...
Сторінка 337
... period of leaf activity is greatly increased in the coastal location , and might be as much as four times as in the original habitat . The period of enlargement of the trunk was never less than 50 per cent longer than in the montane ...
... period of leaf activity is greatly increased in the coastal location , and might be as much as four times as in the original habitat . The period of enlargement of the trunk was never less than 50 per cent longer than in the montane ...
Сторінка 338
... period of growth of the trunk which according to the dendrographic record began May 18 and continued until September 15. It is to be seen therefore that a competition between the cambium derivatives and the nuts for the leaf- products ...
... period of growth of the trunk which according to the dendrographic record began May 18 and continued until September 15. It is to be seen therefore that a competition between the cambium derivatives and the nuts for the leaf- products ...
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