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Guilian SHAN, Haiyan YIN, Yang LIU, et al. Effect of Euphorbia jolkinii Boiss Proliferation on the Soil Nutrients and Microbial Characteristics of Subalpine Meadow in Northwest Yunnan[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2021, 36(3): 494-499. DOI: 10.12101/j.issn.1004-390X(n).201911036
Citation: Guilian SHAN, Haiyan YIN, Yang LIU, et al. Effect of Euphorbia jolkinii Boiss Proliferation on the Soil Nutrients and Microbial Characteristics of Subalpine Meadow in Northwest Yunnan[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2021, 36(3): 494-499. DOI: 10.12101/j.issn.1004-390X(n).201911036
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Effect of Euphorbia jolkinii Boiss Proliferation on the Soil Nutrients and Microbial Characteristics of Subalpine Meadow in Northwest Yunnan

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    • Abstract
  • PurposeIn order to explore the adaptive management strategy of grassland in the spreading area of poisonous plants.
    MethodThe degraded subalpine meadow with different coverage (5.4%, 20.8% and 45.5%) of Euphorbia jolkinii Boiss were chose, and the effects of proliferation of E. jolkinii on soil carbon, nitrogen, phosphorus and microbial quantity of degraded subalpine meadow in Northwest Yunnan were studied.
    ResultThe contents of organic carbon, available nitrogen, total phosphorus, available phosphorus, microbial biomass carbon, nitrogen and phosphorus, and the number of bacteria, fungi and actinomycetes in 0-10 cm and >10-30 cm soil layers were significantly increased with the coverage of E. jolkinii increasing from 5.4% to 45.5% (P<0.05).
    ConclusionThe diffusion and proliferation of E. jolkinii in grassland is conducive to the transformation of soil nutrients and the improvement of soil fertility. Good soil conditions promote the growth and reproduction of soil microorganisms.
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