PareBernier1989

Référence

Pare, D., Bernier, B. (1989) Origin of the phosphorus deficiency observed in declining sugar maple stands in the Quebec Appalachians. Canadian Journal of Forest Research, 19(1):24-34. (Scopus )

Résumé

Soils originating from 10 Acer saccharum maple stands with foliar P concentrations ranging from 0.85-2.36 mg.g -1 were subjected to the following analyses: the chemical composition and P pools of L and F horizons, as well as pH, total N, exchangeable cations, total organic and inorganic P, P reserves fractionated according to their availability, and extractable Fe and Al of Ah (or H) and B horizons. Number of root tips per unit volume of soil was measured at 0-15 cm depth. Foliar P concentrations were positively correlated with P concentrations and P pools of L and F horizons, with the contents of readily available P fractions of the Ah or H horizon, and with the number of root tips to 15 cm depth. Foliar P concentrations and the available P fractions of the Ah or H horizon were negatively correlated with pH, with total P reserves, and with concentrations of extractable Fe and Al and amorphous inorganic Fe of this horizon. The characteristics of the B horizon had little effect on P nutrition. Under the conditions now prevailing in the Quebec Appalachians, the nature of the humus form may have a major influence on P nutrition of trees. Stands growing on soils with a moderately acid Ah horizon (mull) exhibited low foliar P concentrations, while those growing on soils associated with a mor humus had adequate P nutrition. -from Authors

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@ARTICLE { PareBernier1989,
    AUTHOR = { Pare, D. and Bernier, B. },
    TITLE = { Origin of the phosphorus deficiency observed in declining sugar maple stands in the Quebec Appalachians },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 1989 },
    VOLUME = { 19 },
    NUMBER = { 1 },
    PAGES = { 24-34 },
    NOTE = { cited By 72 },
    ABSTRACT = { Soils originating from 10 Acer saccharum maple stands with foliar P concentrations ranging from 0.85-2.36 mg.g -1 were subjected to the following analyses: the chemical composition and P pools of L and F horizons, as well as pH, total N, exchangeable cations, total organic and inorganic P, P reserves fractionated according to their availability, and extractable Fe and Al of Ah (or H) and B horizons. Number of root tips per unit volume of soil was measured at 0-15 cm depth. Foliar P concentrations were positively correlated with P concentrations and P pools of L and F horizons, with the contents of readily available P fractions of the Ah or H horizon, and with the number of root tips to 15 cm depth. Foliar P concentrations and the available P fractions of the Ah or H horizon were negatively correlated with pH, with total P reserves, and with concentrations of extractable Fe and Al and amorphous inorganic Fe of this horizon. The characteristics of the B horizon had little effect on P nutrition. Under the conditions now prevailing in the Quebec Appalachians, the nature of the humus form may have a major influence on P nutrition of trees. Stands growing on soils with a moderately acid Ah horizon (mull) exhibited low foliar P concentrations, while those growing on soils associated with a mor humus had adequate P nutrition. -from Authors },
    AFFILIATION = { Forest Soils Laboratory, Univ. of Alaska, Fairbanks, AK 99775, USA, United States },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1139/x89-004 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-0024525260&doi=10.1139%2fx89-004&partnerID=40&md5=814726dd225180b59f584e8a04d5ad40 },
}

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