Pamphlets On Forestry in New York volume 3
Pamphlets On Forestry in New York volume 3
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In our eReader you can find the full English version of the book. Read Pamphlets On Forestry in New York volume 3 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Pamphlets On Forestry in New York volume 3
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To quickly assess the difficulty of the text, read a short excerpt:
The season of 1910 was similar to that of 1912, in which the beetles appeared late. In 1910 and 1912 the second generation was apparently small and did little damage, especially on the American elms where these observations were made. This is a fair illustration of the absurdity of drawing general conclusions and deducing general principles regarding the activities of an insect, from observations carried on during only one season. More- over, it would seem that these insects, at least in Ithaca..., are much more 1 Bulletin 20, New York State Museum, 1898, p. 13.
8 Circular No. 8, Cornell University Agricultural Experiment Station. 1910, p. 4.
CONTROL OF Two ELM-TREE PESTS 507 abundant on English elms and that they pass through their life cycle somewhat faster on these trees than on American elms. Therefore, observations confined to individuals occurring on American elms might lead to conclusions concerning the rapidity of development and num- ber of broods different from those resulting if individuals occurring on English elms were observed.
What to read after Pamphlets On Forestry in New York volume 3?
You can find similar books in the "Read Also" column, or choose other free books by George F George Frederick Chambers to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The season of 1910 was similar to that of 1912, in which the beetles appeared late. In 1910 and 1912 the second generation was apparently small and did little damage, especially on the American elms where these observations were made. This is a fair illustration of the absurdity of drawing general conclusions and deducing general principles regarding the activities of an insect, from observations carried on during only one season. More- over, it would seem that these insects, at least in Ithaca..., are much more 1 Bulletin 20, New York State Museum, 1898, p. 13.
8 Circular No. 8, Cornell University Agricultural Experiment Station. 1910, p. 4.
CONTROL OF Two ELM-TREE PESTS 507 abundant on English elms and that they pass through their life cycle somewhat faster on these trees than on American elms. Therefore, observations confined to individuals occurring on American elms might lead to conclusions concerning the rapidity of development and num- ber of broods different from those resulting if individuals occurring on English elms were observed.
What to read after Pamphlets On Forestry in New York volume 3?
You can find similar books in the "Read Also" column, or choose other free books by George F George Frederick Chambers to read onlineMoreLess
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