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机构地区:[1]广西大学农学院,广西南宁530005 [2]广西壮族自治区烟草公司百色市公司,广西百色533000
出 处:《河南农业科学》2015年第1期57-61,共5页Journal of Henan Agricultural Sciences
基 金:中国烟草总公司科技项目(110200801007);广西壮族自治区烟草专卖局项目(2008-8)
摘 要:为了明确百色烟区生物钾肥的合理施用量,采用大田试验研究了不同生物钾肥用量对百色植烟土壤主要养分和烤烟产质量的影响。结果表明,施用生物钾肥可提高土壤速效钾、有机质、碱解氮等主要养分含量,并能明显提高烤烟的经济效益,以生物钾肥用量45 kg/hm2处理的烤烟经济性状指标最高,其烟叶产量、产值、均价、上等烟比例分别较不施生物钾肥处理(CK)提高11.23%、18.41%、6.39%、25.62%;总体上施用生物钾肥改善了烟叶的品质,烟叶化学成分含量和协调性较佳,钾含量提高,主要致香物质含量和致香物质总量均明显高于CK,烟叶评吸得分提高,尤其是生物钾肥用量45 kg/hm2处理,其烟叶评吸得分最高(76.2分)。因此,生产上建议百色烟区植烟土壤生物钾肥的施用量为45 kg/hm2。In order to determine suitable application amount of biotic-potassium fertilizer in Baise area of Guangxi province,a field experiment was carried out to investigate the effects of biotic-potassium fertilizer application amount on main soil nutrient contents,yield and quality of flue-cured tobacco in Baise area.The results showed that the application of biotic-potassium fertilizer could increase major nutrient content in soil,especially the content of available potassium,organic matter,alkaline hydrolysis nitrogen,enhance the economic benefit significantly.The economic character of the treatment with 45 kg / ha biotic-potassium fertilizer was the best,the yield,production value,average price and ratio of superior leaf of the above treatment increased by 11.23%,18.41%,6.39% and 25.62% compared with the treatment without biotic-potassium fertilizer(CK).On the whole,the application of biotic-potassium fertilizer could improve the quality of flue-cured tobacco,maintain better chemical component content and harmony,increase the content of potassium and major aroma components and total aroma components obviously,increase the smoking score,especially the treatment with 45 kg / ha biotic-potassium fertilizer,which was 76.2.Therefore,the best application amount of biotic-potassium fertilizer was 45 kg / ha in Baise tobacco-growing area.
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