水稻田土壤中的硝化作用和硝化微生物的研究Ⅱ.水稻田土壤中的硝化作用
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INVESTIGATIONS ON NITRIFICATION AND NITRIFYING ORGANISMS IN RICE-FIELD SOILS——Ⅰ.NITRIFICATION IN RICE-FIELD SOILS
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    摘要:

    自从上世纪末叶,C.H.维诺格拉斯基最先发现硝化细菌以后,由于获得纯培养的困难以及研究方法的不完善,硝化细菌的生理学及其生物化学过程的研究进展不大.直到目前对于硝化细菌的生活规律和硝化作用的本质还不十分清楚.但是对于硝化细菌的下列属性却已做了肯定的结论,即:(1)硝化细菌是无机营养型的,不需要有机养料,能还原 CO2为有机碳化物;(2)硝化细菌氧化 NH4+为 NO2-,NO2-为 NO3-,并从中获得能源.

    Abstract:

    Experimental results revealed that there were always nitrificating activities in flooded rice-field soils,whether the soils were under rice crops to summer or were kept barren in winter.Quantities of nitrifing organisms found in flooded rice-field soils were much higher than those in dry-land crop soils,the difference being between 23-377 times,according to the data.In the rice-field soils, nitrifying organisms were active not only in the more oxidative "oxidation horizon",but also in the more redutive "reduction horizon",The results contrary to the "classical" notion that the nitrifying organisms could not live actively in the flooded rice-field soils.

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陈华癸,周启.水稻田土壤中的硝化作用和硝化微生物的研究Ⅱ.水稻田土壤中的硝化作用[J].土壤学报,1961,9(Z1):56-64. CHEN HUA-KUEI, CHOU CHI Hua-chung. INVESTIGATIONS ON NITRIFICATION AND NITRIFYING ORGANISMS IN RICE-FIELD SOILS——Ⅰ. NITRIFICATION IN RICE-FIELD SOILS[J]. Acta Pedologica Sinica,1961,9(Z1):56-64.

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  • 在线发布日期: 2013-05-20
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