publication . Article . Other literature type . 2016

Differences in nitrogen cycling and soil mineralisation between a eucalypt plantation and a mixed eucalypt and Acacia mangium plantation on a sandy tropical soil

Tchichelle, Sogni Viviane; Epron, Daniel; Mialoundama, Fidèle; Koutika, Lydie Stella; Harmand, Jean-Michel; Bouillet, Jean-Pierre; Mareschal, Louis;
Open Access English
  • Published: 20 Sep 2016
  • Publisher: HAL CCSD
  • Country: France
International audience; Sustainable wood production requires appropriate management of commercial forest plantations. Establishment of industrial eucalypt plantations on poor sandy soils leads to a high loss of nutrients including nitrogen (N) after wood harvesting. An ecological intensification of eucalypt plantations was tested with the replacement of half of the Eucalyptus urophylla x E. grandis by Acacia mangium in the eucalypt monoculture to sustain soil fertility through enhancement of the N biological cycle. A randomised block design was set up on ferralitic arenosol in the Congolese coastal plains to assess differences in soil N mineralisation, N fluxes ...
free text keywords: SPECIES PLANTATIONS; LITTER DECOMPOSITION; ORGANIC-MATTER; PROTON FLUXES; TREE GROWTH; CONGO; PRODUCTIVITY; NITRATE; CARBON; AVAILABILITY, [SDV]Life Sciences [q-bio], K10 - Production forestière, F61 - Physiologie végétale : nutrition, P33 - Chimie et physique du sol, P35 - Fertilité du sol, Plantation forestière, Eucalyptus urophylla, Eucalyptus grandis, Acacia mangium, Culture en mélange, Cycle de l'azote, Fixation de l'azote, Minéralisation de l'azote, Arénosol, Ammonium, Arbre fixateur d'azote, Croissance, Litière forestière, Fertilité du sol, Nitrate,,,,,,,,,,,,,,,,, biology.organism_classification, biology, Monoculture, Plant litter, Forest floor, Acacia, Nitrogen cycle, Forestry, Agroforestry, Soil fertility, Soil water
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