Pamphlets on Forestry, Volume 41991 |
From inside the book
Results 1-3 of 28
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 9 . 5 3 1851 37 0 18 29 B9 185 ...
... 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 9 . 5 3 1851 37 0 18 29 B9 185 ...
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 | 402 |
their development and ecological conditions | 360 |
The bogplant societies | 429 |
4 other sections not shown
Other editions - View all
Common terms and phrases
2d whorl 4th whorl abundant acidity Alnus aments apex apical shoot Aronia average basin bast fibers Betula bog areas bog plants bog societies bog water branches cambial activity cambium cassandra conifers creosote crystals cutting depressions diameter increase Dicotyledonous drainage drained factors Fagales fiber bundles foliar ray forest formation genera glacial growth habitats HARTIG heartwood hickory Huron June lake larch Larix layers leaves lobes lower mature 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 twigs tyloses undrained uniseriate rays vegetation vessels Viola blanda walls white oak wood xerophilous xylem zone