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World wide distribution of Phytophthora cinnamomi

Bisequum of sandly loam/silty clay/silt loam; n.b. Bt of a gray-wdedluvisol; Truax Twp. Plonski Forest near Swastika

Podsol profile in a deep medium/fine sand; Dunmore Twp. Plonski Forest near Swastika; under jack pine & poplar; n.b. shallowness of the profile.

Profile of weak podsol in fine sand over a silt loam; after fire 50 yrs ago; cf slide # 240 for landscape; Truax Twp. Plonski Forest.

Forest of poplar & w. spruce after fire (50 yrs); location of profile in slide # 242

Podsol profile in dump loamy till. Truax Twp. Plonski Forest; see slide # 239 for vegetation.

General view of area 30 yrs after fire; soil material is a washed, loamy till; see slide # 240 for profile; located in Truax Twp., Plonski Forest.

Profile of a podsol in medium-coarse sand; Davison Twp. Plonski Forest, near Swastika; n.b. relative lack of intensity of profile development due to coarse texture.

Close-up of H, Ah-Ae of gray-wooded luvisol in slide # 236; n.b. roots and lack of F.

Gray-wooded luvisol in Truax Township, Plonski Forest near Swastika; in silty clay; n.b. Ah