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Soil Science Society of America Journal Abstract -

Accumulation of Nitrogen in Minesoils Seeded to Black Locust1

 

This article in SSSAJ

  1. Vol. 46 No. 6, p. 1290-1293
     
    Received: Sept 17, 1981
    Accepted: July 15, 1982


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doi:10.2136/sssaj1982.03615995004600060033x
  1. E. M. Jencks,
  2. E. H. Tyron and
  3. M. Contri2

Abstract

Abstract

Nitrogen accumulation in minesoils developing in replaced coal surface-mine overburden seeded with black locust (Robinia pseudoacacia L.) was surveyed. Nitrogen increased significantly with age from 5 to 18 years at depths of 0 to 5, 5 to 10, and 10 to 15 cm, until it equaled or exceeded that in adjacent, native soils; however, the rate of increase was slower in the lower depths. Averages of the N content in all three depths showed that the oldest age group of minesoils (16 to 18 years) accumulated 2,974 kg/ha under black locust, which was slightly higher than the 2,808 kg/ha of N found in an adjacent native soil under mixed hardwood.

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