红壤微生物学特性(一)浙江省衢县低丘红壤的微生物学分析
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THE MICROBIOLOGICAL CHARACTERISTICS OF RED SOILS (I) THE MICROBIOLOGICAL ANALYSIS OF THE HILLY RED SOILS DERIVED FROM QUATERNARY RED CLAY OF CHHSIEN, WESTERN CHEKIANG
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    摘要:

    浙江省的低丘红壤主要有两种类型,一种是以第四纪初期洪积体-红土层为母质,经长期的自然生物气候条件作用发育而成的红-黄色土壤,农民称为“黄筋泥”。黄筋泥土层深厚,质地一般属粉砂质粘土,呈强酸性反应。另一种是以衢江红砂岩的风化体为母质发育而成的土壤,称为红砂土。第三纪衢江红砂岩地层处在第四纪红土层之下,因此只有在红土层受到侵触,红砂岩暴露出来的地方,红砂土才能形成。在低丘红壤区里,黄筋泥和红砂土交错地分布着,构成复区。

    Abstract:

    Red soils derived from quaternary red clay occur on the hilly land of Chuhsien, western Chekiang. The soils have been cultivated for a long time, and their fertility was definitely improved as the cultivation went on. Four samples of these soils of different fertility, varying in accordance with their history of cultivation, were used in this study, and the microbial population, rate of nitrification and cellulose decomposition, and the respiratory capacity of these soils were analysed 4 times annually. The results were summarized as following: 1. The abundance of soil microorganisms increased with the improvement of soil fertility. Among the microbial population, bacteria is the most abundant organism in all soils. The number of bacteria is relatively higher in more fertile soil, while the relative number of fungi is decreased as the cultivation went on. The abundance of aerobic cellulose decomposing organisms, the nitrifying bacteria and aerobic nitrogen fixing bacteria are also positively correlated with soil fertility.

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钱澤澍,何福恒,冯孝善,刘素云,陈本楚.红壤微生物学特性(一)浙江省衢县低丘红壤的微生物学分析[J].土壤学报,1964,12(4):390-400. CHIEN TSE-SHU, HO FU-HENG, FENG HSIAO-SAN, LIU SU-YUN, CHEN PEN-CHU. THE MICROBIOLOGICAL CHARACTERISTICS OF RED SOILS (I) THE MICROBIOLOGICAL ANALYSIS OF THE HILLY RED SOILS DERIVED FROM QUATERNARY RED CLAY OF CHHSIEN, WESTERN CHEKIANG[J]. Acta Pedologica Sinica,1964,12(4):390-400.

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  • 在线发布日期: 2013-02-25
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