摘要: |
对广州长岗山地区的尾叶桉、马占相思、柚木、落羽杉、木荷、湿地松纯林及黎蒴×加勒比松针阔混交林、火力楠×木荷阔叶混交林等8个林分的土壤化学性质进行研究,比较研究了不同土壤层次、不同林分的土壤有机质、全N、碱解N、速效P、速效K含量。结果表明不同人工林的林分各层土壤化学性质有显著差别。马占相思林0~20 cm土层的通气状况在8个林地中最好,而且对提高土壤养分元素含量的作用最大,全N含量则与其它林分无显著差异;但有机质含量显著低于大多数林分。而木荷纯林的有机质含量在8个林分中最高。尾叶桉纯林各养分含量与其它林分相比,都处于最低水平。 |
关键词: 长岗山〓林分土壤〓化学性质 |
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Soil Chemical Properties of 8 Kinds Forest in Changgang Mountain, Guangzhou |
zhangbenbiao
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Abstract: |
8 kinds of forest soil chemical properties were studied at Changgang mountain, Guangzhou city, which include of Eucalypys urophylla、 Acacia mangium、 Tectona grandis、 Taxodium distichum、 Schima superba、 Pinus elliottii、 Catanopsis fissa×Pinus caribaea、Michelia macclurei×S. superba in this area. The author make a comparative study for different soil layers, organic matter, total N, alkali hydro N, available P, available K, of the different forest soil etc, and analysis and compare the average for Duncan multiple, to supply the reference frame of forest resources management and the sustainable use of soil. |
Key words: Changgang mountain, forestry soil, chemical properties |