Effects of nitrogen and phosphorus fertilization in a lowland evergreen rainforest

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
E Mirmanto Suriantata

Abstract

A nutrient addition experiment was set up in August 1993 in a species-rich primary lowland dipterocarp forest in Barito Ulu, Central Kalimantan, Indonesia. The following treatments were applied: control, +N, +P and +NP. There were five blocks of four 50 m x 50 m plots with a separate treatment for each plot. Fine litterfall was measured on all the plots from 1 May 1994 for 12 months. Litterfall mass and phosphorus concentrations were significantly higher in all the fertilizer treatments compared with the controls. All trees (> or = 10 cm dbh) were measured in August 1993 and in August 1998, and there was no significant girth increment response to fertilization in dipterocarps or non-dipterocarps. Dipterocarps of the red meranti group showed a doubling of girth increment in the +NP treatment, however, the difference from the control fell short of significance.

Citations

Nov 26, 2010·Carbon Balance and Management·Gary D PaoliLaura D'Arcy
Jul 9, 2011·PloS One·Serge A WichAndrew J Marshall
Jun 24, 2006·Proceedings of the National Academy of Sciences of the United States of America·Cory C Cleveland, Alan R Townsend
Nov 21, 2007·Ecology Letters·Michael KaspariJoseph B Yavitt
Apr 22, 2015·Trends in Ecology & Evolution·Tom M FayleVojtech Novotny
Oct 31, 2018·Ecology·Graham ZemunikBenjamin L Turner
Apr 2, 2020·Proceedings of the National Academy of Sciences of the United States of America·Elsa M Ordway, Gregory P Asner
Oct 1, 2003·The New Phytologist·Francis Q BrearleyJulie D Scholes

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