有机无机肥配施对‘云烟97’产量及其烤烟品质的影响
Chinese Agricultural Science Bulletin(2019)
Abstract
为筛选出最优的菜籽饼有机肥与无机肥配施比例,改善烟叶品质,通过设置不同处理,研究有机无机肥不同比例配施对烤烟‘云烟97’产质量的影响.结果表明,在曲靖沾益烟区,总施用纯氮量为90 kg/hm2,腐熟菜籽饼有机肥等量替代20%纯氮(18 kg/hm2),施用量360 kg/hm2,烤烟专用基肥399 kg/hm2,烤烟专用追肥90 kg/hm2,对植烟土壤有改良作用.该配比能促进烤烟‘云烟97’的正常生长,显著降低烤烟主要土传病害的发病率(P<0.05),并能使烟叶内在化学成分更协调,协调性较对照平均提高14.4%,抽吸品质平均提升5.90%,烤后烟叶产量、产值、均价和中上等烟比例分别提高8.39%、13.17%、4.41%和6.93%,经济效益明显.
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