BAI Xiao-jun,FENG Hai-ping,ZHANG Li-juan,et al.Effect of the Planting and Green Manure Application on Soil Nutrients and Microbial Flora in Greenhouse[J].Northern Horticulture,2014,38(23):144-147.
种植及翻压绿肥对设施土壤养分及微生物区系的影响
- Title:
- Effect of the Planting and Green Manure Application on Soil Nutrients and Microbial Flora in Greenhouse
- 文章编号:
- 1001-0009（2014）23-0144-04
- Keywords:
- green manure; solar greenhouse; soil nutrient; soil microorganism
- 分类号:
- S 641.226.5
- 文献标志码:
- A
- 摘要:
- 采用随机区组设计，以夏季空闲地（不种绿肥）为对照（CK），研究了不同绿肥生长特性、生物量、养分特性及翻压绿肥对日光温室土壤养分含量和微生物区系的影响。结果表明：甜玉米、高丹草、苏丹草3种绿肥作物可以在日光温室夏季休闲季节较短时间（50 d）内产生较高的生物量和养分积累量；与CK相比，种植及翻压绿肥在一定程度上降低了土壤的pH 值，提高了土壤速效氮、磷、钾含量,其中以禾本科的甜玉米、高丹草和苏丹草较为明显；种植及翻压绿肥改变了设施土壤微生物区系结构，增加了土壤总菌数、细菌和放线菌的数量，以及细菌数量与真菌数量比值(B/F)，减少了真菌的数量和比例，改善了土壤微生态环境，其中甜玉米、高丹草、苏丹草3种绿肥作物表现更显著，对于提升土壤环境和均衡土壤微生物类群及数量有积极作用。种植及翻压绿肥还田可以作为设施土壤生产中土壤培肥的一项有效措施来实施。
- Abstract:
- The different green manure growth characteristic，biomass and nutrient characteristic and effect of green manure application on raw clay soil nutrients and microbial flora in trough greenhouse were studied by randomized block design with summer idle land (no green manure) for the control matrix.The results showed that the sweet corn，sorghum and sudan grass three kinds of green manure could produce higher biomass and nutrient accumulation during summer recreational season in trough greenhouse with short time (50 days).The planting and green manure decreased the soil pH value，meanwhile it may increased the soil organic matter，available nitrogen，phosphorus and potassium content compared with the control.Among them with sweet corn，sorghum and sudan grass was obvious.The planting and green manure changed microbial community structure，increased the total soil bacteria，bacteria and actinomyce，reduced the number and proportion of fungi，while significantly improved soil microbial environment and increased the ratio of bacteria to fungi (B/F).And sweet corn，sorghum and sudan grass were more significantly.The planting and green manure could be use as raw clay soil fertility of an effective measure to implement in trough greenhouse.
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备注/Memo
第一作者简介：白小军（1972-），男，宁夏固原人，硕士，副研究员，现主要从事植物保护等研究工作。E-mail：nxnkybxj@163.com.