Pamphlets on Forestry, Volume 41991 |
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Page 282
... increase , the combined values for increase of phloem , cambium , and xylem , in trees A and C are given in TABLE V. From the table it is at once evident that very little growth took place previous to May 25 , and the growth which ...
... increase , the combined values for increase of phloem , cambium , and xylem , in trees A and C are given in TABLE V. From the table it is at once evident that very little growth took place previous to May 25 , and the growth which ...
Page 288
TABLE XI NUMBER OF ROWS OF XYLEM CELLS AND DIAMETER INCREASE OF XYLEM IN TREE E = Region of cutting No. May 22 Diameter increase of xylem May 22 No. June 6 Diameter increase of xylem June 6 Below Ist whorl . Below 2d whorl Below 3d ...
TABLE XI NUMBER OF ROWS OF XYLEM CELLS AND DIAMETER INCREASE OF XYLEM IN TREE E = Region of cutting No. May 22 Diameter increase of xylem May 22 No. June 6 Diameter increase of xylem June 6 Below Ist whorl . Below 2d whorl Below 3d ...
Page 292
... increase . No doubt these factors are important , as considerable evidence indicates that in old trees diameter increase is delayed at the base of trunk where insolation is poor and the bark is thick . In young trees , however , these ...
... increase . No doubt these factors are important , as considerable evidence indicates that in old trees diameter increase is delayed at the base of trunk where insolation is poor and the bark is thick . In young trees , however , these ...
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