Response to fertilizer application of a Corsican pine (Pinus nigra var. laricio) stand in Sologne

Nys, C.; Bonischot, R.; Gelhaye, D.

Revue Forestiere Francaise 37(6): 482-486


ISSN/ISBN: 0035-2829
Accession: 001450705

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Various combinations of NPKCa fertilizer were applied to a Pinus nigra var. laricio stand in Sologne, on poor acid sandy soils with little organic matter. One year after fertilizer application, needles of trees which had received 200 kg/ha N had significantly higher N contents than in other treatments, but 2 yr after treatment N contents were n.s.d. None of the other treatments showed significant differences from the unfertilized control. Plots which received combined N and P showed a significant increase in girth increment, but this effect only lasted 3 yr.