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几种烟草育苗替代基质育苗效果研究 被引量:9

Research on Floating Seedling Effects of Several Substitute Matrix in Flue-cured Tobacco
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摘要 从减少环境污染与资源节约出发,采用漂浮育苗方式研究了由不同物料配比的半成品有机肥与稻壳生物炭、珍珠岩、蛭石混配成的新型替代基质对烤烟育苗的影响,为稻壳生物炭替代基质在生产实际中的应用提供理论依据。试验结果表明,以原料按干基重量配比60%牛粪+40%食用菌渣(T3)、50%牛粪+20%沼渣+10%稻草+20%鸡粪(T4)、30%鸡粪+60%食用菌渣+10%谷壳(T5)为主要原料发酵完全后,与30%稻壳炭+15%膨胀珍珠岩+5%蛭石混合配制成的替代基质,这3个处理的基质理化性状、烟苗出苗率、出苗天数、成苗期、成苗率等各项指标与对照接近,总体出苗效果相对较好。综合比较发现,T3处理育苗效果及幼苗各农艺性状与商品基质相比无显著性差异,可替代市售烟草专用泥炭类育苗基质。 To provide the theoretical basis of demonstration and application for rice husk biochar seedling matrix in tobacco practical production,based on reducing environmental pollution and resource conservation,the float seedling was employed to explore the effects of different ratios of rice husk biochar and several semi -finished organic fertilizers,perlite,vermicu-lite on the seedling of flue -cured tobacco in this study.The results showed that,60% cow dung +40% mushroom residue (T3),50% cow dung +20% biogas residue +10% straw +20% poultry manure(T4),30% poultry manure +60% mush-room residue +10% rice husk were mixed separately for compost fermentation below the ratio of 30 for C and N,after that, which were mixed with 30% rice husk biochar +15% perlite +5% vermiculite,respectively,formed 3 kind of seedling ma-trix.The physical and chemical properties and emergence rate,emergence days,seedling,seedling rate of treatments,plant height of the 3 kind of seedling matrix were similar to CK,General effect of seedling emergence was relatively good.We can easily find that,the seedling effects and agronomic traits of T3 was similar to CK based on comprehensive comparison for physical and chemical properties and seedling growth,and which can substitute commercial peat matrix for seedling in flue-cured tobacco production.
出处 《作物研究》 2015年第5期506-510,共5页 Crop Research
基金 湖南省烟草公司重点项目(14-16ZDAa01) 国家科技支撑计划(2012BAD14B17)
关键词 烟草 漂浮育苗 替代基质 草炭 tobacco float seedling substitute matrix peat
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