摘要
[目的]研究生物有机肥和烟草专用肥按不同配比混合施用,对吉林省长春烟区烤烟土壤肥力的影响.[方法]以吉烟9号为材料,将生物有机肥和烟草专用肥全部作为底肥移栽时一次性施入穴内,与穴内土壤混匀.共设5个处理:100％烟草专用肥、30％生物有机肥+70％烟草专用肥、50％生物有机肥+50％烟草专用肥、70％生物有机肥+30％烟草专用肥和100％生物有机肥;在移栽后30、50和80 d分次取0～25 cm土样分析土壤肥力.[结果]50％生物有机肥+50％烟草专用肥处理的土壤有机质含量增加,酸性烟田土壤pH明显提高,有利于烟株的营养吸收;土壤氮、磷、钾的释放与不同生育期烟株的营养吸收规律一致.[结论] 50％生物有机肥+50％烟草专用肥处理能够显著改善烟田土壤营养状况,有利于提高烟草对土壤中各种营养元素的综合利用率,进而提高烟叶质量及整体经济效益.
Abstract
[Objective] The biological organic fertilizer and tobacco specific fertilizer were mixed according to the different mixing ratio,and the effect of these mixing bio-organic fertilizers on tobacco soil fertility was studied through applying the mixing fertilizer in flue-cured tobacco planting region in Changchun of Jilin Province.[Method] The tobacco Ji tobacco-9 was transplanted into the planting hole as the model,and the mixed biological organic fertilizer and tobacco fertilizer was manured into the planting hole as the sole fertilizer source and blended with the soil.There were five treatments in the trial:100％ tobacco specific fertilizer,30％ biological organic fertilizer + 70％ tobacco specific fertilizer,50％ biological organic fertilizer + 50％ tobacco specific fertilizer,70％ biological organic fertilizer + 30％ tobacco specific fertilizer,and 100％ biological organic fertilizer.After transplanting,the analysis of soil fertility was conducted in 30 days,50 days and 80 days,respectively.[Result] The fertilizer application treatment of 50％ biological organic fertilizer + 50％ tobacco specific fertilizer could increase the soil organic matter content,and the pH of acid soil had a greater improvement,which was advantageous to the nutrient absorption of tobacco plant.The release of soil N,P,K was consistent with the nutrient request of tobacco plant at different growth periods.[Conclusion] The mixing of 50％ biological oanic fertilizer + 50％ tobacco specific fertilizer can significantly improve tobacco soil fertility,which is benefit to improve comprehensive utilization of tobacco to various nutrient elements in soil,and potentially improve the quality of tobacco leaves and the comprehensive economic benefits.
国家科技期刊平台
NSTL
维普
万方数据