CAJ | 학술논문

为探明不同施肥模式下土壤肥际微域内微生物（细菌、真菌、放线菌）的数量分布变化，采用土柱模拟方法，研究4种施肥模式下肥际微域内细菌、真菌和放线菌的数量分布特征。结果表明，与单施化肥相比较，有机肥、化肥与有机肥配施均明显增加土壤肥际微域内细菌、真菌和放线菌的数量；增加的细菌、真菌主要分布在0～1．0 cm 和0～2．0 cm 的肥际微域中；对长期不施肥的土壤，增加的放线菌集中在0～1．0 cm 肥际中。不施肥时，两种供试土壤的三类微生物数量无显著差异；但施用有机肥后，长期不施肥的潮土中的细菌、真菌和放线菌的数量分别比长期施用化肥的土壤增高57％、65％和130％，说明长期施用化肥可能通过改变土壤理化生物性质，进而影响到微生物的生长繁殖。
위탐명불동시비모식하토양비제미역내미생물（세균、진균、방선균）적수량분포변화，채용토주모의방법，연구4충시비모식하비제미역내세균、진균화방선균적수량분포특정。결과표명，여단시화비상비교，유궤비、화비여유궤비배시균명현증가토양비제미역내세균、진균화방선균적수량；증가적세균、진균주요분포재0～1．0 cm 화0～2．0 cm 적비제미역중；대장기불시비적토양，증가적방선균집중재0～1．0 cm 비제중。불시비시，량충공시토양적삼류미생물수량무현저차이；단시용유궤비후，장기불시비적조토중적세균、진균화방선균적수량분별비장기시용화비적토양증고57％、65％화130％，설명장기시용화비가능통과개변토양이화생물성질，진이영향도미생물적생장번식。
To explore the quantitative distribution variation of soil microbes under different fertilization model,the distributions of soil microbes (bacteria,fungi and actinomycetes)in fertilizer microsites in fluvo-aquic soil were studied by a simulation experiment of soil columns.The results showed that the amount of soil microbes (bacterium,fungi and actinomycetes)in fertilizer microsites of single organic manure(OM)and 70% chemical fertilizer +30% organic manure (CFOM)were significantly increased, compared with the fertilizer microsites of chemical fertilizers (CF).The amount of bacterium and fungi sharply increased in the 0 ~ 1.0 cm and 0 ~ 2.0 cm profiles,while the actinomycetes in long-term no-fertilizer soils mainly increased in 0 ~ 1.0 cm profiles.And no significant variation of microbes amount were found in two soil materials without fertilizer.However,compared with the long-term application of chemical fertilizer,the amount of bacteria,fungi and actinomycetes in no-fertilized soil,respectively, increased by 57%,65% and 130%.Therefore,the long-term chemical fertilizers may through the change of soil physical,chemical and biological properties,which affect the growth of microorganisms.