Effects of water-fertilizer synergistic supply model on yield and quality of flue-cured tobacco

doi:10.16178/j.issn.0528-9017.20240293

Abstract

Abstract:

To improve fertilizer utilization efficiency，enhance leaf quality，increase flue-cured tobacco yield，and promote farmers' income，this study investigated the effects of water-fertilizer synergistic supply models on the growth，yield，and quality of flue-cured tobacco，aiming to identify the optimal model suitable for high-quality tobacco production in Ji'an. Three treatments were set up：CK（conventional fertilization），T1（conventional fertilization + one additional application of yellow-ripening fertilizer），and T2（conventional fertilization + two additional applications of yellow-ripening fertilizer）. The results showed that in terms of agronomic traits，applying yellow-ripening fertilizer promoted tobacco plant growth and development as well as upper-leaf expansion，with T2 performing the best. Economically，both one and two applications of yellow-ripening fertilizer helped improve the economic indicators of tobacco leaves. Regarding appearance quality，the total scores of T1 and T2 were higher than that of CK，with no difference between T1 and T2. In chemical composition，total sugar，reducing sugar，and nicotine contents decreased，while potassium and chlorine contents increased；the ratios of reducing sugar to total sugar，total sugar to nicotine，and potassium to chlorine were improved，thereby enhancing the coordination of chemical components. In sensory quality，the total sensory scores followed the order T2>CK>T1. Overall，the T2 treatment（with two additional applications of yellow-ripening fertilizer）demonstrated a relatively clear improving effect on tobacco leaf quality.

Key words: water-fertilizer synergy, flue-cured tobacco, upper leaf, yield, quality

CLC Number:

S572

HAN Zhujun, ZENG Yu. Effects of water-fertilizer synergistic supply model on yield and quality of flue-cured tobacco[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(3): 617-622.

Figures/Tables 6

References 16

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处理	株高/cm	茎围/cm	叶片数	顶叶		倒六叶		最大叶
处理	株高/cm	茎围/cm	叶片数	长/cm	宽/cm	长/cm	宽/cm	长/cm	宽/cm
CK	127.00 a	9.84 a	14.10 a	51.63 a	13.91 a	76.78 a	22.53 a	82.09 a	31.17 a
T1	127.70 a	9.87 a	13.70 a	54.20 a	14.72 a	75.30 a	23.54 a	82.01 a	31.46 a
T2	126.90 a	10.15 a	14.71 a	54.83 a	14.35 a	77.27 a	23.11 a	83.93 a	31.43 a

处理	株高/cm	茎围/cm	叶片数	顶叶		倒六叶		最大叶
处理	株高/cm	茎围/cm	叶片数	长/cm	宽/cm	长/cm	宽/cm	长/cm	宽/cm
CK	127.00 a	9.84 a	14.10 a	51.63 a	13.91 a	76.78 a	22.53 a	82.09 a	31.17 a
T1	127.70 a	9.87 a	13.70 a	54.20 a	14.72 a	75.30 a	23.54 a	82.01 a	31.46 a
T2	126.90 a	10.15 a	14.71 a	54.83 a	14.35 a	77.27 a	23.11 a	83.93 a	31.43 a

处理	株高/cm	节距/cm	茎围/cm	顶叶		倒六叶		最大叶
处理	株高/cm	节距/cm	茎围/cm	长/cm	宽/cm	长/cm	宽/cm	长/cm	宽/cm
CK	126.37 a	5.23 a	11.32 a	54.42 b	14.39 a	77.32 b	23.24 a	81.48 a	31.44 a
T1	128.66 a	5.15 a	11.05 a	58.20 a	14.42 a	78.74 ab	23.30 a	81.91 a	32.31 a
T2	127.78 a	5.11 a	11.41 a	55.23 b	14.55 a	80.80 a	24.23 a	82.61 a	33.00 a

处理	株高/cm	节距/cm	茎围/cm	顶叶		倒六叶		最大叶
处理	株高/cm	节距/cm	茎围/cm	长/cm	宽/cm	长/cm	宽/cm	长/cm	宽/cm
CK	126.37 a	5.23 a	11.32 a	54.42 b	14.39 a	77.32 b	23.24 a	81.48 a	31.44 a
T1	128.66 a	5.15 a	11.05 a	58.20 a	14.42 a	78.74 ab	23.30 a	81.91 a	32.31 a
T2	127.78 a	5.11 a	11.41 a	55.23 b	14.55 a	80.80 a	24.23 a	82.61 a	33.00 a

处理	颜色	成熟度	叶片结构	身份	油分	色度	叶片组织	柔韧性	光泽度	总分
CK	7.5	7.0	7.0	7.0	5.0	6.0	5.5	5.5	5.0	6.50
T1	7.5	7.5	7.5	7.5	5.0	6.0	5.5	5.5	5.0	6.78
T2	7.5	7.5	7.5	7.5	5.0	6.0	5.5	5.5	5.0	6.78