%0 Journal Article
%T Rapid root assimilation of added phosphorus in a lowland tropical rainforest of French Guiana
%A Van Langenhove, L.
%A Janssens, I.A.
%A Verryckt, L.
%A Brechet, L.
%A Hartley, I.P.
%A Stahl, C.
%A Courtois, E.
%A Urbina, I.
%A Grau, O.
%A Sardans, J.
%A Peguero, G.
%A Gargallo-Garriga, A.
%A Peñuelas, J.
%A Vicca, S.
%J Soil Biology and Biochemistry
%D 2020
%V 140
%N 107646
%I Elsevier Ltd
%@ 00380717 (Issn)
%F VanLangenhove_etal2020
%O Export Date: 19 November 2019; Coden: Sbioa; Correspondence Address: Van Langenhove, L.; Centre of Excellence PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Wilrijk, Belgium; email: leandro.vanlangenhove@uantwerpen.be
%O exported from refbase (http://php.ecofog.gf/refbase/show.php?record=897), last updated on Mon, 08 Feb 2021 15:40:01 -0300
%X Tree growth on weathered soils in lowland tropical forests is limited by low phosphorous (P) availability. However, nutrient manupulation experiments do not always increase the P content in these trees, which raises the question whether trees are taking up added P. In French Guianese lowland rainforest, we measured changes in nitrogen (N) and P availability before and up to two months after N and P fertilizer addition, in soils with intact root systems and in soils where roots and mycorrhizal fungi were excluded by root exclusion cylinders. When the root system was excluded, P addition increased P availability to a much greater extent and for a longer time than in soils with an intact root system. Soil N dynamics were unaffected by root presence/absence. These results indicate rapid P uptake, but not N uptake, by tree roots, suggesting a very effective P acquisition process in these lowland rainforests.
%K Fertilization
%K Nitrogen
%K Phosphorus
%K Plant root simulator probes
%K Root system
%K Tropical forest
%K Nitrogen fertilizers
%K Plants (botany)
%K Soils
%K Tropics
%K Mycorrhizal fungus
%K N and P fertilizer
%K P availabilities
%K Plant root simulators
%K Tropical rain forest
%K Forestry
%K Fungi
%U https://www.scopus.com/inward/record.uri?eid=2-s2.0-85074775809&doi=10.1016%2fj.soilbio.2019.107646&partnerID=40&md5=e3051b0ab79ace561be33f14218c2178
%U http://dx.doi.org/10.1016/j.soilbio.2019.107646