WANG Shan,LI Ting-xuan,ZHANG Ding.Study on Soil Nutrient and Microbial Community Characteristic in Open Field and Greenhouse[J].Northern Horticulture,2012,36(16):138-141.
露地与温室土壤养分及微生物群落特征比较研究
- Title:
- Study on Soil Nutrient and Microbial Community Characteristic in Open Field and Greenhouse
- 文章编号:
- 1001-0009(2012)16-0138-04
- Keywords:
- open field; greenhouse; pH; soil nutrient; soil microflora
- 分类号:
- S 154
- 文献标志码:
- A
- 摘要:
- 对辽宁省沈阳地区露地、温室2种种植方式下土壤有机质、全氮、速效养分和微生物区系情况进行了比较研究。结果表明：露地改为温室栽培后土壤有机质、全氮及速效养分累积量均高于露地，其中速效磷、速效钾的增幅最大，与辽宁省保护地土壤肥力分级指标相比，温室土壤速效氮含量较低，有机质含量属中等水平，全氮及速效磷、速效钾含量属高水平；土壤pH值整体下降，且温室使用的时间越长，土壤酸化趋势越明显；2种栽培方式下，土壤微生物都以细菌为主，但从群落结构来看，温室土壤细菌占微生物总数的比列下降，而真菌和放线菌占微生物总数的比例与之相反。
- Abstract:
- Compared of soil nutrient and microbial community characteristic in soil of open field and greenhouse in Shengyang Liaoning province.The results showed that the accumulation of organic matter,total nitrogen，available nutrient in greenhouse were higher than that in open field,especially the available phosphorus and available potassium.Compared with Index of Protected Soil Fertility in Liaoning Province,the content of available nitrogen was in low level,while organic matter was in middle level，and total nitrogen,available phosphorus，available potassium were in high level.Compared with soil in open field,soil pH dropped in greenhouse.The more the soil in greenhouse used，the more acidifying.Soil microbial was given priority to bacteria in both two planting patterns.From the community structure，the ratio of soil bacteria to total microbial was decreased.,while the ratio of soil fungus or actinomyces was opposite.
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备注/Memo
第一作者简介：王珊（1983-），女，四川崇州人，硕士，现主要从事土壤环境质量与可持续发展等研究工作。