大青山一二代马尾松土壤性质变化与地力衰退关系的研究
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* 国家“九五”攻关专题(编号:96-011-01-07)研究内容


STUDIES ON THE RELATIONSHIP BETWEEN SOIL PROPERTY CHANGES AND SOIL DEGRADATION UNDER 1ST AND 2ND ROTATION MASSON PINE PLANTATION AT DAQINGSHAN
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    摘要:

    研究了相似立地条件下,一二代马尾松人工林土壤物理性质、化学性质、生物化学活性、土壤微生物区系变化趋势及其与林木生长的关系.结果表明:马尾松生长能改良土壤物理性质,特别是对0~20cm土层改良效果较为明显.连栽马尾松生长至中龄林阶段,土壤有机养分略有提高,但土壤速效养分N、P以及代换性Ca2+和Mg2+含量则明显下降;多酚氧化酶、脲酶和蛋白酶活性下降,而0~40cm土壤过氧化氢酶、蔗糖酶和酸性磷酸酶活性升高.土壤中细菌、放线菌、真菌和固氮菌在二代马尾松土壤中的数量明显少于一代马尾松.该研究结果,将为马尾松人工林的合理经营提供科学的数据和依据.

    Abstract:

    This article emphatically reviews the changes of soil physical properties, chemical properties, biochemical activities and soil microbe species and their relationship with the growth of masson pine of 1st and 2nd rotation plantation at the similar conditions. It shows that masson pine can ameliorate soil physical properties, especially to the layer 0~20 cm. Successive rotation of masson pine improve the contents of organic nutrient a little in half-matured stand while the contents of avail. N, rapidly avail. P, Ex-Ca2+ and Ex-Mg2+ apparently decrease. The activities of soil polyphenol oxidase, protease and urease decrease, but soil catalase, invertase and acid phosphorylase in the layer 0~40 cm increase. It also finds that the quantity of bacteria, actinomyces and fungi in soil under masson pine plantation of second rotation is more less than that of first rotation, especially the quant ity of azotobacter. The research results will support scientific data and scientific basic for reasonable management of masson pine plantation.

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杨承栋,孙启武,焦如珍,卢立华.大青山一二代马尾松土壤性质变化与地力衰退关系的研究[J].土壤学报,2003,40(2):267-273. DOI:10.11766/trxb200105040216 Yang Cheng-dong, Sun Qi-wu, Jiao Ru-zhen, Lu Li-hua. STUDIES ON THE RELATIONSHIP BETWEEN SOIL PROPERTY CHANGES AND SOIL DEGRADATION UNDER 1ST AND 2ND ROTATION MASSON PINE PLANTATION AT DAQINGSHAN[J]. Acta Pedologica Sinica,2003,40(2):267-273.

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  • 收稿日期:2001-05-04
  • 最后修改日期:2002-03-17
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  • 在线发布日期: 2013-02-25
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