Soil nitrogen along a disturbance gradient.

Soils were studied along a disturbance gradient: Pumice Plain, Timberline parking lot, Harmony, Bismark Mtn., Elk Pass, and Fossil Creek Ridge. N03, NH4, N, P, K, Ca, Mg, C were assayed. NO3 and NH4 were also analyzed from resin bags buried at 15 and 30 cm. Soil samples were collected in 1985. Resin bags were buried for 1 year: 1985 – 86, and 1986 -87.

 

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