Soil moisture measuring equipment. L>R: tensiometer; gypsum blocks for electrical resistance; sampler; tensiometer and case.

Windblown fine sand over waterlaid, ferric podzol at Pionski Forest Burt Twp. N.B. fine layering.

Fine windblown sand over waterlaid. Burt Twp. Plonski Forest. N.B. disturbed Ae due to windthrow.

Graph showing change in available phosphorus with increase in pH values. Data from set of trials at Glendon Hall, U of T 1973.

Weak ferric profile in sandy loam till Algonquin Park, under hemlock.

Orthic humoferric podzol at J.D. Irving, Black Brook. N.B. irregular Ae.

Orthic humoferric podzol in till at J.D. Irving, Black Brook. N.B. irregular Ae lower boundary.

Podzol after disturbance near Poitiers. Disturbance in healthland profile from cultivation.

Sol brun in healthland soil that has been cultivated. N.B. the plow layer and a root channel. Near Razes.

Orthic ferropodzol in windblown sand at Plonski Forest Burt Twp. N.B. perturbation of left side of Stand was fire origin jack pine.