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机构地区:[1]安顺学院农学院,贵州安顺561000 [2]贵州大学农学院,贵州贵阳550025
出 处:《河南农业科学》2015年第9期25-27,31,共4页Journal of Henan Agricultural Sciences
基 金:贵州省科技厅安顺市人民政府安顺学院三方联合基金项目(黔科合J字LKA[2012]08号)
摘 要:为了探讨适宜安顺地区烤烟的轮作方式,通过田间小区试验,研究不同轮作方式对烤烟生长发育和品质的影响。结果表明:与小麦、油菜、马铃薯轮作的烤烟现蕾期长势明显好于对照(烤烟—休闲),其中与油菜轮作的烤烟株高比对照增加7.4 cm,茎围增加1.0 cm,最大叶面积增加69.7 cm2;成熟期,烤烟—油菜处理烟叶的SPAD值显著低于烤烟—小麦、烤烟—马铃薯处理,烟叶落黄较好。轮作有利于改善烟叶品质,使烟叶内在化学成分更加协调,其中与小麦、油菜、马铃薯轮作的烟叶总糖含量比对照分别提高1.12、2.08、0.89个百分点。与小麦、油菜轮作的烤烟产量、产值、均价、上中等烟比例均显著高于对照,产量分别提高1.8%、8.1%,产值分别提高4.0%、15.3%。综合来看,在安顺地区可以推广应用油菜—烤烟轮作模式。In order to investigate the suitable crop rotation mode of flue-cured tobacco in Anshun region, the effects of different rotation modes on growth and quality of flue-cured tobacco were studied by field plot experiments.The results showed that the growth of flue-cured tobacco rotated with wheat,rape,potato in budding stage was significantly better than that of the control( flue-cured tobacco and fallow) .Rotation with rape made the plant height of flue-cured tobacco increase by 7.4 cm,the stem girth increase by 1.0 cm,and the largest leaf area increase by 69.7 cm2 compared with the control.At maturity,the leaf SPAD value of flue-cured tobacco rotated with rape was significantly lower than that rotated with wheat and pota-to,and its yellowing was better.Crop rotation was conducive to improve the quality of tobacco leaves,so that the intrinsic chemical composition of tobacco leaves was more coordinated.Rotation with wheat, rape,and potato made the tobacco total sugar content increase by 1.12,2.08,0.89 percentage points compared with the control.Rotation with wheat and rape also made the tobacco yield,output value,aver-age price,the upper and secondary tobacco proportion significantly higher than the control,the yields were increased by 1.8%and 8.1%,respectively,and the output values were increased by 4.0%and 15.3%. All in all,rape and tobacco rotation can be popularized and applied in the Anshun area.
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