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当前位置: 首页 > 文章 > 解淀粉芽孢杆菌菌剂对雪菜生长和土壤氧化亚氮排放的影响 中国农学通报 2015 (13) 229-235
Position: Home > Articles > Effect of Bacillus amyloliquefaciens Biofertilizer on Brassica juncea var.multiceps Growth and N_2O Emission from Soil Chinese Agricultural Science Bulletin 2015 (13) 229-235

解淀粉芽孢杆菌菌剂对雪菜生长和土壤氧化亚氮排放的影响

作  者：
王璠;徐圣君;马双龙;李德生;白志辉
单  位：
天津理工大学环境科学与安全工程学院;中国科学院生态环境研究中心
关键词：
解淀粉芽孢杆菌;甘薯淀粉废水;雪菜;生物肥料;N2O排放
摘  要：
由于化肥的过度使用对环境的不利影响,微生物肥料的研究得到了广泛关注。实验利用甘薯淀粉废水培养解淀粉芽孢杆菌并将其作为微生物肥料用于雪菜种植。通过盆栽实验考察了尿素(CN)、解淀粉芽孢杆菌菌液(BF)、解淀粉芽孢杆菌灭活菌液(BI)、甘薯淀粉废水(SW)、尿素结合微生物肥料(BC)对蔬菜产量、NO3-、NO2-含量,以及土壤性状,N2O排放的影响。实验表明:BC和CN在蔬菜产量方面比CK提高了5倍。BF和SW对蔬菜产量影响不显著。半量氮肥配合菌肥处理(BCL)表现出与CN相近的增产效果,而蔬菜NO3-含量同CN处理相比下降了16.4%~73.6%,土壤NO3-含量降低了22%~29%,降低了土壤中氮淋溶风险;土壤N2O平均排放通量(FLUX30)较CN处理降低了58.3%~73.1%。综上,利用淀粉废水培养解淀粉芽孢杆菌不仅可以资源化利用废水,并且其产物可作为一种绿色肥料应用于蔬菜种植,为淀粉废水资源化利用和农田温室气体减排提供了一个新思路。
译  名：
Effect of Bacillus amyloliquefaciens Biofertilizer on Brassica juncea var.multiceps Growth and N_2O Emission from Soil
作  者：
Wang Fan;Xu Shengjun;Ma Shuanglong;Li Desheng;Bai Zhihui;College of Environment Science and Safety Engineering,Tianjin University of Technology;Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences;
关键词：
Bacillus amyloliquefaciens A3;;starch wastewater;;Barssica juncea var.multiceps;;biofertilizer;;N2O emission
摘  要：
With the increasing cost of chemical fertilizers and their negative impacts on environment,theresearch on biofertilizer which could improve soil fertility and promote plant growth has attracted wideattention.In this study,the Bacillus amyloliquefaciens A3 was continually cultured in shaked-flasks containingwastewater from sweet potato starch production and the B.amyloliquefaciens A3 was used as an effectivebiofertilizer to cultivate vegetable.The objectives of this greenhouse randomized pot experiment were todetermine the effect of chemical fertilizers(CN),biofertilizer(BF),bacteria inactivation culture solution(BI),the starch water(SW) and the combination of biofertilizer and chemical fertilizer(BC) on the yield and NO3-and NO2-content of the vegetable; NH4+,NO3-,total dissolved nitrogen(TDN),dissolved organic carbon(DOC)of the soil,and N2O emissions during the experimental period.The results showed that CN and BC increased the yield 5 times higher than CK and there was no significant difference between BC and CN on the effect ofincreasing the vegetable yield.The effect of BF treatment on the yield of vegetable was not obvious,while theeffect of the biofertilizer added with half application rate of chemical nitrogen fertilizer(BCL) on plant yieldwas similar to that of CN,the NO3-content of vegetables and soil was 16.4%-73.6% and 22%-29%,respectively,lower than that of vegetables treated with CN.BC treatment also reduced the risk of N leachingfrom the soil and the average N2O discharge fluxes(FLUX30) were 58.3%-73.1% lower than those of the CN.The B.amyloliquefaciens was found to be a feasible low-cost biofertilizer for sustainable vegetable farming andshowed the potential for starch wastewater utilization.

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