CAJ | 학술논문

甘蔗是需氮量较大的重要糖料作物，为了探讨固氮菌对不同甘蔗品种生长过程中的硝态氮、氮、磷和钾含量的影响，本试验采用固氮菌 DX120(A)、固氮菌296(B)和固氮螺菌(C)处理桶栽甘蔗品种 ROC22和B8.主要结果表明：不同固氮菌及组合处理后2个甘蔗品种叶片的硝态氮含量在8—11月总体上高于对照却低于肥料处理；接种固氮菌提高了2个甘蔗品种叶片中氮素的含量，且 A 和 AB 处理对 ROC22的效果较好， A 、C 和 AC 处理对 B8氮素含量的影响效果较好；磷元素含量在生长期不断提高，固氮菌处理有利于2个甘蔗品种磷素含量的积累；单个及多个组合固氮菌处理对2个甘蔗品种叶片钾元素的含量影响不明显.
감자시수담량교대적중요당료작물，위료탐토고담균대불동감자품충생장과정중적초태담、담、린화갑함량적영향，본시험채용고담균 DX120(A)、고담균296(B)화고담라균(C)처리통재감자품충 ROC22화B8.주요결과표명：불동고담균급조합처리후2개감자품충협편적초태담함량재8—11월총체상고우대조각저우비료처리；접충고담균제고료2개감자품충협편중담소적함량，차 A 화 AB 처리대 ROC22적효과교호， A 、C 화 AC 처리대 B8담소함량적영향효과교호；린원소함량재생장기불단제고，고담균처리유리우2개감자품충린소함량적적루；단개급다개조합고담균처리대2개감자품충협편갑원소적함량영향불명현.
Sugarcane is one of the world’s most important sugar crops.Sugarcane biological nitrogen fix-ation is a good way to reduce the amount of nitrogen fertilizer costs in the plantation management.In this study,in order to investigate the effects of nitrogen-fixing bacteria on the nitrate,nitrogen,phos-phorus and potassium content of different sugarcane varieties during the growth process,the nitrogen-fixing bacteria DX120 (A),nitrogen-fixing bacteria 296 (B)and Azospirillum spp.(C)were used to in-oculate the planted sugarcane varieties ROC22 and B8 in the barrel.The main results show that the con-trast of nitrate in the leaves inoculated nitrogen-fixing bacteria were higher than those of the control from August to November,but lower than those of the fertilizer treatments.The content of nitrate in CK and fertilizer treatments decreased greatly compared with the nitrogen-fixing bacteria treatments.As to the ROC22,the N content of A and AB treatment group were higher than the others,but to the B8, A,C and AC treatment effects on nitrogen content were obviously;The P content of two sugarcane cul-tivars inoculated nitrogen-fixing bacteria were higher than those of CK,but lower than those of the fer-tilizer treatment.The effects of single and multiple combinations of nitrogen-fixing bacteria treatment on the potassium content of the two sugarcane varieties were not obvious.The experiment results were use-ful for further application of nitrogen-fixing bacteria in sugarcane planting.