Pamphlets on Forestry, Volume 41991 |
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Page 286
... average number of rows of xylem cells and the average diameter increase of the xylem tissue for the entire lateral branch . The averages are obtained from the figures for each individual cutting . of 55 12 185 89 185 18 2294 O ག 28 B LY ...
... average number of rows of xylem cells and the average diameter increase of the xylem tissue for the entire lateral branch . The averages are obtained from the figures for each individual cutting . of 55 12 185 89 185 18 2294 O ག 28 B LY ...
Page 288
... average number of cells in the new xylem layer only 0.62 . The greatest diameter increase in the branches was only 37 μ , while the average for the trunk was 5.8 cells with a diameter of 139 μ . If reference is made to TABLE VIII it ...
... average number of cells in the new xylem layer only 0.62 . The greatest diameter increase in the branches was only 37 μ , while the average for the trunk was 5.8 cells with a diameter of 139 μ . If reference is made to TABLE VIII it ...
Page 358
... average . If we take the average num- ber of clear days , add to it one - half the number of partly cloudy days , and divide by the number of days in a year , we obtain a percentage of forty - six . This probably approximates the ...
... average . If we take the average num- ber of clear days , add to it one - half the number of partly cloudy days , and divide by the number of days in a year , we obtain a percentage of forty - six . This probably approximates the ...
Contents
The Huron River valley 351 | 351 |
their development and ecological conditions | 360 |
The bog plant societies | 429 |
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2d whorl 4th whorl abundant acidity aggregate ray Alnus aments annual ring apex Aronia basin bast fibers Betula bog areas bog plants bog societies bog water branches cambial activity cambium cassandra conifers creosote crystals cutting depressions diameter increase Dicotyledons drainage drained factors Fagales fiber bundles foliar ray forest formation glacial growth habitats HARTIG heartwood hickory Huron June lake larch Larix layers leaves lower Michigan moraine occur parenchyma parenchyma cells peat perianth periderm phloem pine Pinus piñon Pinus rigida pith rays plant societies Platanus plates present Quercus radial region resin canals roots rows Salix sapwood scattered sclerenchyma sclerotic sedge shrubs sieve tubes soil species specimens sphagnum stem stone cells substratum surface swamp tamarack temperature thick tissue tracheids trees trunk tyloses undrained uniseriate rays vegetation vessels Viola blanda walls white oak wood xerophilous xylem zone μ μ μ