CAJ | 학술논문

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。试验表明：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(FPV30)平均排放量较 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。
유우화비적과도사용대배경적불리영향，미생물비료적연구득도료엄범관주。실험이용감서정분폐수배양해정분아포간균병장기작위미생물비료용우설채충식。통과분재실험고찰료뇨소（CN)、해정분아포간균균액（BF）、해정분아포간균멸활균액（BI）、감서정분폐수（SW）、뇨소결합미생물비료（BC）대소채산량、NO3-、NO2-함량，이급토양성상， N2O배방적영향。시험표명：BC화 CN재소채산량방면비CK제고료5배。BF화 SW대소채산량영향불현저。반량담비배합균비처리(BCL)표현출여 CN상근적증산효과，이소채 NO3-함량동 CN처리상비하강료16.4%~73.6%，토양NO3-함량강저료22%~29%，강저료토양중담림용풍험；토양 N2O(FPV30)평균배방량교 CN처리강저료58.3%~73.1%。종상，이용정분폐수배양해정분아포간균불부가이자원화이용폐수，병차기산물가작위일충록색비료응용우소채충식，위정분폐수자원화이용화농전온실기체감배제공료일개신사로。
In this study, Bacil us amyloliquefaciens A3 was continual y incubated in shake fIasks contalning wastewater from sweet potato starch production as an ef-fective biofertiIizer for cuItivation of Brassica juncea var. multiceps(XueIihong). Based on pot experiments in the greenhouse, the effects of chemical fertiIizers (CN), biofertiIizer (BF), inactivated broth (BI), starch wastewater (SW) and the combination of biofertiIizer and chemical fertiIizer (BC) on the yield, NO3- content and NO2- con-tent of XueIihong, soiI physicochemical properties and N2O emission were investi-gated. The resuIts showed that the yield of XueIihong in BC and CN treatments was improved by five times compared with CK; BF and SW treatments had insignifi-cant impact on the yield of XueIihong. Compared with CN treatment, BCL treatment exhibited simiIar improving effects on the yield of XueIihong, in which NO3- content of XueIihong and soiI was reduced by 16.4%-73.6% and 22%-29%, which reduced the risk of nitrogen eIuviations in soiI; average N2O fIux (FPV30) in BCL treatment was reduced by 58.3%-73.1% compared with CN treatment. In concIusion, B. amy-loliquefaciens is a feasibIe Iow-cost biofertiIizer for sustalnabIe vegetabIe farming with a great potential for starch wastewater utiIization.