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| Effects of Organic and Inorganic Compound Fertilizerfor Flue-cured Tobacco on Tobacco Qualityof K326 in Hezhou Dry Land |
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| DOI：10.16768/j.issn.1004-874X.2022.07.008 |
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| Abstract: |
| 【Objective】 In order to provide references for exploring the suitable application amount of organic and
inorganic compound fertilizer for flue-cured tobacco K326 in dry land of Hezhou tobacco-growing area, the application amounts of different organic and inorganic compound fertilizer for flue-cured tobacco were compared. 【Method】 Taking fluecured tobacco variety K326 as experimental material, with conventional fertilization as control (CK), experiments were carried out
in Fuchuan, Hezhou in 2021 to analyze the effects of different application amounts (1 500 kg/hm2
, 1 725 kg/hm2
, 1 950 kg/hm2
)
of organic and inorganic compound fertilizer for flue-cured tobacco on the yield and quality of K326.【Result】 The yield and
average single leaf weight of tobacco leaf increased with the increase of N application rate, and the output value of tobacco leaf
and the proportion of superior tobacco were the highest under 1 950 kg/hm2
treatment. The nicotine content in the middle leaves
was in the appropriate range under the treatments of 1 500 kg/hm2
, 1 725 kg/hm2
and 1 950 kg/hm2
, while the nicotine content
in CK leaves was higher. The chemical composition coordination of the middle leaves was showed as: 1 500 kg/hm2
treatment >
1 725 kg/hm2
treatment > 1 950 kg/hm2
treatment > CK, and that of the upper leaves was showed as: 1 500 kg/hm2
treatment >
1 950 kg/hm2
>1 725 kg/hm2
treatment = CK, and the overall composition coordination was the best under 1 500 kg/hm2
treatment. The physical properties of the middle leaves ranked as: 1 500 kg/hm2
treatment > 1 950 kg/hm2
treatment > 1 725
kg/hm2
treatment > CK and that of the upper leaves ranked as: 1 500 kg/hm2
treatment = 1 725 kg/hm2
treatment = 1950 kg/hm2
treatment > CK. The sensory quality was better under the treatments of 1 500 kg/hm2
and 1 725 kg/hm2
, which showed better
aroma quality and sufficient aroma volume, and the irritation of the middle leaves was obviously less. The treatment of 1 725
kg/hm2
got the highest score in comprehensive evaluation. 【Conclusion】In Hezhou tobacco-growing area, the yield and
quality of tobacco leaves were better when the application amount of organic and inorganic compound fertilizer for K326 fluecured tobacco was about 1 725 kg/hm2. |
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