YU Miao,FENG Jian,WANG Zhixue,et al.Response Analysis of Soil Microbial Biomass and Nutrients to Years of Facility Agriculture[J].Northern Horticulture,2021,(23):84-88.[doi:10.11937/bfyy.20212296]
土壤微生物量及养分对设施农业种植年限的响应
- Title:
- Response Analysis of Soil Microbial Biomass and Nutrients to Years of Facility Agriculture
- 文献标志码:
- A
- 摘要:
- 以辽宁省朝阳市喀左县公营子镇番茄种植大棚不同种植年限0~20 cm耕层土壤为研究对象，采用分年限取样法，取0、1、5、10、15、20年以上的土壤样本，利用熏蒸提取法和常规方法，研究不同种植年限大棚耕层土壤养分和微生物量的变化，以期为保证设施农业的可持续发展提供参考依据。结果表明：随着种植年限增加，朝阳地区设施农业土壤随种植年限增加多数养分呈先上升后下降的趋势，土壤微生物量碳（SMBC）先增加后下降，在5年时达到峰值，比1年高173%；土壤微生物量氮（SMBN）则呈先下降后上升的趋势，峰值出现在20年，比1年高391%；土壤微生物量磷（SMBP）呈先下降后突然上升再下降的趋势，峰值出现在10年。朝阳地区设施土壤养分在种植过程中累积严重，应抓住5~10年的时间节点进行合理耕作。
- Abstract:
- With the soil at a depth of 0-20 cm beneath the surface in tomato greenhouses of different planting years in Gongyingzi town,Kazuo county,Chaoyang city,Liaoning Province as the research object,the soils with 0,1,5,10,15 and 20 planting years were sampled respectively.Then,fumigation extraction method and conventional method were adopted to study the change of nutrients and microbial biomass in the surface oil greenhouses of different planting years.The results showed that with increased planting years,most nutrients and microbial biomass in soil were first increased and then declined with increased planting years in facility agriculture in Chaoyang.The soil microbial biomass carbon (SMBC) was first increased and then declined with a peak value at the 5th year which was 173% higher than that in the 1st year.The soil microbial biomass nitrogen (SMBN) was first declined and then increased with a peak value in the 20th year which was 391% higher than that in the 1st year.Soil microbial biomass nitrogen phosphorus (SMBP) was first declined and then increased abruptly before decline again with a peak value in the 10th year.In the agricultural facilities in Chaoyang,soil nutrients were heavily accumulated during planting.Therefore,the time node of 5-10 years should be seized for reasonable arrangement of farming.This study provides references for sustainable development of facility agriculture.
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备注/Memo
第一作者简介：于淼（1982-），女，硕士，副研究员，现主要从事土壤微生态调节等研究工作。E-mail:52638019@qq.com.责任作者：池景良（1964-），男，本科，研究员，现主要从事土壤微生态等研究工作。E-mail:chijingliang@sina.com.基金项目：辽宁省农业科学院土壤微生态学科建设资助项目（2019DD154522）；辽宁省科技重大专项资助项目（2019020171）。收稿日期：2021-05-31