【摘 要】
:
为了分析藏东南地区不同农田土壤微生物区系差异。采用稀释平板法对藏东南部分地区不同农田(青稞、小麦、油菜)的20份土壤样品进行微生物分离和计数,并统计不同农田中的细菌
【基金项目】
:
国家自然科学基金项目(31760006),西藏自治区自然科学基金项目(XZ 2018 ZR G-21)。
论文部分内容阅读
为了分析藏东南地区不同农田土壤微生物区系差异。采用稀释平板法对藏东南部分地区不同农田(青稞、小麦、油菜)的20份土壤样品进行微生物分离和计数,并统计不同农田中的细菌、真菌和放线菌数量。结果显示,不同农田土壤微生物区系中大多以细菌占优势,占微生物总数的87.84%以上,其次是真菌和放线菌。不同地区分离的微生物种类存在差异,林芝市细菌分离种类数最多的为LZ3015,真菌分离种类数最多为LZ3017和LZ02,放线菌分离种类较少,仅在LZ01和LZ02中均分离出一种;昌都市细菌分离种类最多为ZG11和ZG13,
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