浙江农业学报2026，Vol.38Issue(2)：327-338,12.DOI:10.3969/j.issn.1004-1524.20250118
蚯蚓-秸秆联合修复设施盐渍化土壤的效果及其作用机制
Effect and mechanisms of remediation on salinized greenhouse soil by earthworm-straw
摘要
Abstract
Aimed at the production obstacles associated with salinized greenhouse soil,an experiment was conducted on soils with10 years of continuous cropping of grape(electrical conductivity of 2 301.55 μS·cm-1)to evaluate the remediation effect of the combined application of earthworms and straw on salinized greenhouse soil and identify the key functional microorganisms involved.Earthworms and rice straw were introduced for soil remediation,with six treatments established:no earthworms or straw addition(CK),1%rice straw addition(S1),2%rice straw addi-tion(S2),0.6 kg·m-2 Pheretima guillelmi addition(E),0.6 kg·m-2 P.guillelmi combined with 1%rice straw(S1E),and 0.6 kg·m-2 P.guillelmi combined with 2%rice straw(S2E).On the 90th day(the end of the experiment),the electrical conductivity of the topsoil(0-20 cm)in treatments S1,S2,S1E,and S2E decreased by 46.43%,49.74%,52.34%,and 53.44%,respectively,compared with that on the 15th day.Compared with CK,the contents of alkali-hydrolyzable nitrogen,available phosphorus,available potassium,organic matter,and dissolved organic carbon in S1E and S2E were significantly(p＜0.05)increased by 12.68%-14.16%,12.45%-14.58%,14.89%-17.10%,19.48%-21.24%,and 30.19%-31.03%,respectively.Besides,three-dimen-sional excitation-emission matrix(3D-EEM)fluorescence spectroscopy analysis revealed an increase in the content of humic substances in the soil.Among the treatments with straw addition(S1,S2,S1E,S2E),the absolute abun-dances of straw-degradation-related genera(e.g.,Sphingomonas,Devosia,Altererythrobacter,Chthoniobacter,norank_f_Microscillaceae)and salt-sensitive genera(e.g.,Pseudoxanthomonas,Luteolibacter,Arthrobacter,norank_f_norank_o_Gaiellales)were all higher than those in CK.Overall,the combined remediation with earthworms and straw reduced soil salinity,improved soil fertility,and alleviated the salt stress on soil microbial communities in salinized greenhouse soil,which was attributed to promoting the downward migration of salt ions in the topsoil,en-hancing straw degradation,and regulating the soil microbial community structure.关键词
盐渍化土壤/秸秆/蚯蚓/土壤养分/土壤微生物Key words
salinized soil/straw/earthworm/soil nutrient/soil microorganism分类
农业科技引用本文复制引用
刘佳铭,张娟琴,王楠,马志梅,吕卫光,郑宪清,宋科,张翰林,张海韵,张月..蚯蚓-秸秆联合修复设施盐渍化土壤的效果及其作用机制[J].浙江农业学报,2026,38(2):327-338,12.基金项目
上海市科技创新行动计划(22DZ1209404,23015820900) （22DZ1209404,23015820900）
上海市农业科学院卓越团队建设计划(沪农科卓[2022]008) （沪农科卓[2022]008）
