猪粪与菌剂配施对山地红壤温室气体排放的影响

王晓朋; 胡坤; 童晨晓; 朱巧莲; 黄昭昶; 毛艳玲

doi:10.19303/j.issn.1008-0384.2019.11.013

猪粪与菌剂配施对山地红壤温室气体排放的影响

Effect of Bacterial Agent Added to Fertilizer on Greenhouse Gas Emissions of Mountain Red Soil

摘要

摘要:
目的研究猪粪与菌剂配施对山地红壤温室气体排放的影响，为减少温室气体排放提供理论依据。
方法通过盆栽试验，探讨对照（CK）、复合肥（F）、猪粪（FM）、低量菌剂与猪粪配施（FMI1）、中量菌剂与猪粪配施（FMI2）和高量菌剂与猪粪配施（FMI3）6 种不同处理下土壤温室气体的排放规律。
结果（1）施用菌剂可以显著降低CO₂、CH₄和N₂O的排放通量，且高量菌剂与低中量菌剂有显著差异性；（2）高剂量菌剂与CK相比，CO₂累计排放量降低了84.33%，CH₄累计排放量降低了76.39%，N₂O累计排放量降低了86.44%；（3）施用菌剂可以显著降低综合温室效应（GWP），菌剂施用量越大，对温室效应抑制越明显；（4）施用菌剂可以显著提高土壤养分含量。
结论在施用肥料的基础上配施菌剂，可以降低山地红壤CO₂、CH₄和N₂O排放通量与综合温室效应，且菌剂剂量越大，效果越佳。

Abstract:
Objective Effect of addition of a bacterial agent to pig manure or a compound fertilize in mountain red soil on the greenhouse gas emissions was investigated.
Method In a pot experimentation on the red soil from hilly regions, a compound fertilizer (F), pig manure (FM), combination of FM and a low level bacterial agent (FMI1), combination of FM and a medium level bacterial agent (FMI2), or combination of FM and a high level bacterial agent (FMI3) was applied to examine the differences on the greenhouse gas emissions.
Result The addition of the bacterial agent resulted in (1) a reduction on the emission fluxes of CO₂, CH₄ and N₂O with a significant difference between the high level and the low or medium level of the application; (2) an 84.33% decrease on the cumulative CO₂ emission, 76.39% on CH₄, and 86.44% on N₂O over CK; (3) a significantly reduced comprehensive greenhouse effect (GWP) which was enhanced with increasing addition level; and, (4) a significant improvement on the nutrient content in the soil.
Conclusion Applying the bacterial agent along with pig manure or a compound fertilizer significantly reduced the emission fluxes of CO₂, CH₄ and N₂O from the mountain red soil and GWP. The higher the dose of the bacterial agent, the greater beneficial effects would result.

HTML全文

参考文献(33)

施引文献

资源附件(0)