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Biological Activity of Ancient cultivated soil with buried horizons (the iverskii monastery, xvii century)

机译:隐蔽视野下的古代耕作土壤的生物活动(伊维尔斯基修道院,十七世纪)

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The biological activity of an ancient cultivated soil that has been in intense agricultural use since approximately the first half of the XVII century was studied. The potential biological activity of the buried horizon of the antient cultivated soil was higher than that of its modern horizon or that of the noncultivated soil of an adjacent territory occurring under simile lithological and geomorphological conditions. A decrease rate of oxidative processes (decreased rates of CO_2 production and CH_4 oxidation) and an increased rate of reductive processes (denitrification and nitrogen fixation) were found in the buried horizon. A high potential denitrification activity (with predominant formation of nitrous oxide) was found in the buried horizon; in the upper horizon, the end product was molecular nitrogen.
机译:自大约十七世纪上半叶以来,一直在大量农业中使用的古老耕种土壤的生物活性得到了研究。在类似的岩性和地貌条件下,反实体耕作土壤的埋藏层位的潜在生物活性高于其现代视野或邻近地区的非耕种层的潜在生物活性。在掩埋层中发现了氧化过程的速率降低(CO_2生成和CH_4氧化速率降低)和还原过程的速率升高(脱氮和固氮)。在掩埋层中发现了很高的潜在反硝化活性(主要形成一氧化二氮)。在上层,最终产品是分子氮。

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