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首页> 外文期刊>Eurasian Soil Science >NITRIFYING ACTIVITY AND PHYTOTOXICITY OF MICROSCOPIC SOIL FUNGI
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NITRIFYING ACTIVITY AND PHYTOTOXICITY OF MICROSCOPIC SOIL FUNGI

机译:微生物土壤真菌的硝化活性和植物毒性

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A relationship has been established between the nitrification capability of microscopic soil fungi and the appearance of phytotoxic properties of micromycetes. The phytotoxic activity of pure cultures of micromycetes changes under the influence of nitrification inhibitors, and the character of the changes may be linked to the intensity of formation of compounds from the group of hydroxamic acids by fungi. The influence of nitrification inhibitors on growth, accumulation of biomass, and formation of nitrates and nitrites by microscopic fungi appeared at concentrations 1-4 orders of magnitude higher than with regard to autotrophic nitrifying bacteria. The tested preparations were arranged in the following order in terms of effectiveness of action of fungi: nitrapyrin, carbamoylmethylpyrazole, dicyandiamide, and 4-amino-1,2,4 triazole.
机译:在微观土壤真菌的硝化能力与微真菌的植物毒性特性之间建立了联系。在硝化抑制剂的作用下,微真菌的纯培养物的植物毒性活性发生变化,这种变化的特征可能与真菌产生的异羟肟酸类化合物的形成强度有关。硝化抑制剂对微观真菌的生长,生物量积累以及硝酸盐和亚硝酸盐的形成的影响比自养硝化细菌的浓度高1-4个数量级。就真菌作用的有效性而言,按照以下顺序排列测试的制剂:硝普林,氨基甲酰基甲基吡唑,双氰胺和4-氨基-1,2,4-三唑。

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