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不同有机物料接种蚯蚓对设施菜地土壤 培肥及作物生长的影响
吴迪1, 刘满强2, 焦加国2, 薛利红1, 李辉信2, 胡锋2, 杨林章1
1.江苏省农业科学院农业资源与环境研究所;2.南京农业大学资源与环境科学学院土壤生态实验室
摘要:
设施蔬菜栽培长期施用过量化肥,往往导致土壤质量退化及作物产量降低等问题。因此,采用生态友好的农业生产方式已成为农业可持续发展的趋势。本研究在野外调控试验的第3年采集作物和土壤,研究了施用不同有机物料条件下,接种赤子爱胜蚓(Eisenia foetida)对设施菜地土壤性质和作物生长的影响。结果表明,在不同有机物料施用下接种赤子爱胜蚓均显著地提高了黄瓜和菠菜的产量,其中在施用腐熟牛粪+食用菌渣条件下接种赤子爱胜蚓效果最显著。此外,在腐熟牛粪和腐熟牛粪+食用菌渣施用条件下,接种赤子爱胜蚓显著地提高土壤的硝态氮(NO3--N)、团聚体平均重量直径(MWD)、微生物生物量碳(MBC)、微生物生物量氮(MBN)和代谢熵(qCO2),而在施用商品有机肥的处理中,接种赤子爱胜蚓仅显著地提高了土壤NO3--N和qCO2。本研究促进了对蚯蚓在设施农业生态系统中服务功能的理解,并为设施农业生产提供了理论基础。
关键词:  赤子爱胜蚓  有机物料施用  黄瓜-菠菜轮作  土壤性质
DOI:10.13758/j.cnki.tr.2019.03.008
分类号:S154.1
基金项目:国家自然科学基金项目(41601323,41771287)、土壤与农业可持续发展国家重点实验室开放基金项目(Y20160033)、国家重点研发计划课题项目(2016YFD0801101)和中国博士后基金项目(2015M581753)资助。
Effects of Inoculating Earthworm to Vegetable Field on Soil Fertility and Plant Growth Following Different Organic Amendments
Wu Di1, Liu Manqiang2, Jiao Jiaguo2, Xue Lihong1, Li Huixin2, Hu Feng2, Yang Linzhang1
1.Jiangsu Academy of Agricultural Sciences;2.Soil Ecology Lab, College of Resources and Environmental Sciences, Nanjing Agricultural University
Abstract:
High inputs of chemical fertilizers could result in a series of problems such as soil degradation and crop low-production of protected vegetable cultivation. Ecological agricultural production style has been considered as one of the most feasible ways to the sustainability of agriculture. Based on the crop and soil samples collected in the third year of a field experiment, this paper aims to explore the effects of inoculating with earthworms (Eisenia foetida) following organic amendment on improving crop yield and soil quality. The results showed that E. foetida significantly increased the yields of cucumber and spinach among all the organic amendments, and the maximum crop yield appeared in the treatment of cattle manure combining edible mushroom dregs inoculated with E. foetida. Both the treatment of cattle manure and the treatment of cattle manure combining with edible mushroom dregs inoculated with E. foetida significantly increased soil NO3--N, MWD, MBC, MBN and qCO2. However, the treatment of commercial organic fertilizer inoculated with E. foetida only significantly increased soil NO3--N and qCO2. Therefore, this study not only promoted the understanding of ecosystem service function of earthworm, but also provided a theoretical basis for facility agriculture.
Key words:  Eisenia foetida  Organic amendment  Cucumber-spinach rotation  Soil properties

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