Yazar
carter b gibbs
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Cilt sonuçları
Cambial dieback and taphole closure in sugar maple after tapping
Carter B. Gibbs · Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Sayfa sayısı yok · 1973
Sugar maple dieback / Sugar maple / Tapping
Field trial of a tree injector in a weeding in West Virginia
Carter B. Gibbs · Northeastern Forest Experiment Station, Forest Service, U. S. Dept. of Agriculture
Sayfa sayısı yok · 1963
Weeds / Control
Tree diameter a poor indicator of age in west Virginia hardwoods
Carter B. Gibbs · Northeastern Forest Experiment Station, Forest Service, U. S. Dept. of Agriculture
Sayfa sayısı yok · 1963
Hardwoods
Managing a small forest in east Texas
Carter B. Gibbs · USDA Forest Service, Southern Forest Experiment Station
Sayfa sayısı yok · 1958
Forest management
The effect of xylem age on volume yield & sugar content of sugar maple sap
Carter B. Gibbs · Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
11 sayfa · 1969
Sap / Sugar maple / Xylem