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Eugene Shoulders · U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station
11 sayfa · 1987
Loblolly pine / Diseases and pests / Pine fusiform rust
Eugene Shoulders · Southern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
26 sayfa · 1973
Pine / Fertilizers / Soil fertility
Eugene Shoulders · Dept. of Agriculture, Forest Service, Southern Forest Experiment Station
Sayfa sayısı yok · 1976
Roots (Botany) / Pine
Eugene Shoulders · Southern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
12 sayfa · 1972
Growth / Trees / Slash pine / Mycorrhizas
Eugene Shoulders · U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station
16 sayfa · 1976
Pine / Loblolly pine
Eugene Shoulders · Dept. of Agriculture, Forest Service, Southern Forest Experiment Station
52 sayfa · 1979
Soils / Longleaf pine
Eugene Shoulders · U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station
Sayfa sayısı yok · 1981
Soils / Sandy loam soils / Composition / Leaching
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