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Thin Regosol Under Grass and Open Stands of Ponderosa Pine; Near Kelowna

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Thin regosol under grass and open stands of ponderosa pine; near Kelowna. Entisol, P, C, F, S.

Brown Forest With Ah Under 36 Year Red Cedar at Haney (UBC Forest); B Horizon Has Concretions Called 'Shot'

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Brown forest with Ah under 36 year red cedar at Haney (UBC Forest); B horizon has concretions called 'shot'. Mollisol, P, C, F, D.

Profile Under 300+ Year Douglas Fir and Red Cedar; Ah 25cm With Worms; Silt Loam With Gleying at 60cm; Pack Forest Near Puyallup.

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Profile under 300+ year Douglas fir and red cedar; Ah 25cm with worms; silt loam with gleying at 60cm; Pack Forest near Puyallup. Mollisol, P, C, D.

Cross-Section of Black Locust Nodule (x360) to Show Rhizobium Cells the Bacteria Which Due the Nitrogen-Fixation

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Cross-section of black locust nodule (x360) to show rhizobium cells the bacteria which due the nitrogen-fixation. Alfisol, HF, BSY.

Cross-Section of Black Locust Nodule (x4) to Show General Structure and the Red Colour Due to Presence of 'Leghemoglobin' Which Shows There Is Active Nitrogen-Fixation

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Cross-section of black locust nodule (x4) to show general structure and the red colour due to presence of 'leghemoglobin' which shows there is active…