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烟秆生物质炭对烟草根际土壤养分及细菌群落的影响 被引量:33
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作者 王成己 陈庆荣 +4 位作者 陈曦 唐莉娜 刘岑薇 宋铁英 黄毅斌 《中国烟草科学》 CSCD 北大核心 2017年第1期42-47,共6页
通过田间小区试验研究了不同生物质炭用量对植烟土壤养分、微生物多样性和菌群丰度的影响。结果表明,梯度施入烟秆生物质炭提升了酸性土壤pH,促进了土壤有机质及全氮的积累,随着生物质炭用量的加大,土壤pH、有机质含量均有逐步升高的趋... 通过田间小区试验研究了不同生物质炭用量对植烟土壤养分、微生物多样性和菌群丰度的影响。结果表明,梯度施入烟秆生物质炭提升了酸性土壤pH,促进了土壤有机质及全氮的积累,随着生物质炭用量的加大,土壤pH、有机质含量均有逐步升高的趋势,土壤速效钾释放速率也得到提高。施用烟秆生物质炭后,烟草根际土壤的微生物种类(OTU数)提高了26.4%。优势菌种中,变形菌门所占比例最大,达到47.19%~54.32%。生物质炭施用下,部分有利植物生长的促生菌呈增长趋势。将烟秆生物质炭用于烟田土壤改良,既可提升土壤肥力,又可缓解烟秆不合理利用导致的环境污染问题,但烟秆生物质炭推广应用还有一定的局限性。 展开更多
关键词 烟秆生物质炭 根际土壤 土壤养分 促生菌 高通量测序
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Evaluation of Plant Growth Promoting Ability of Bacillus amyloliquefaciens Bc2 and Trichoderma harzianum TR In Vivo 被引量:2
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作者 Rababe Es-Soufi Houda Tahiri +4 位作者 Aicha El Oualkadi Latifa Azaroual Patrick Martin Alain Badoc Ahmed Lamarti 《Agricultural Sciences》 2020年第3期247-259,共13页
Bacillus amyloliquefaciens Bc2 and Trichderma harzianum TR were used to evaluate their growth-promoting activity on cultivated strawberries, under laboratory and field conditions, and we have noticed that the percenta... Bacillus amyloliquefaciens Bc2 and Trichderma harzianum TR were used to evaluate their growth-promoting activity on cultivated strawberries, under laboratory and field conditions, and we have noticed that the percentage of achene germination is important for ones treated with TR (=97%) followed by those treated with Bc2 strain (=90%) and the control (=84%). Inoculations on field showed that on untreated soil with insecticide, TR is effective and allows the development of plants and extends the duration of flowering and fruiting. On treated soil, Bc2 clearly promotes the growth and development of strawberry seedlings and its role as plant growth promoting microorganisms has been proved. 展开更多
关键词 Plant Growth Promoting STRAWBERRY pgpm Bacillus amyloliquefaciens Trichoderma harzianum
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