Effects of chemical fertilizer reduction and organic fertilizer application on the growth, nutrient uptake and utilization of flue-cured tobacco cultivar Guiyan5 in Zunyi tobacco area of China

doi:10.3969/j.issn.1004-1524.20250354

Acta Agriculturae Zhejiangensis ›› 2026, Vol. 38 ›› Issue (3): 450-459.DOI: 10.3969/j.issn.1004-1524.20250354

• Crop Science • Previous Articles Next Articles

Effects of chemical fertilizer reduction and organic fertilizer application on the growth, nutrient uptake and utilization of flue-cured tobacco cultivar Guiyan5 in Zunyi tobacco area of China

JIN Hui¹(), HUO Qinjian², SHI Yuewei², LONG Mingjin², YANG Minghua¹, YANG Minmin¹, GAN Songmei¹, LIAN Yun¹, LIU Jinliang¹^,^*(), REN Xueliang²^,^*()

^1. Guizhou Provincial Key Laboratory for Tobacco Quality Improvement and Efficiency Enhancement, College of Tobacco Science, Guizhou University, Guiyang 550025, China
^2. Molecular Genetics Key Laboratory of China Tobacco, Guizhou Academy of Tobacco Science, Guiyang 550081, China

Received:2025-05-02 Online:2026-03-25 Published:2026-04-17
Contact: LIU Jinliang,REN Xueliang

Abstract

Abstract:

To explore the effects of chemical fertilizer reduction combined with organic fertilizer application on the growth, nutrient uptake and utilization of flue-cured tobacco, a field experiment was conducted using a two-factor randomized complete block design with a new flue-cured tobacco cultivar, Guiyan5, as the test material. Three chemical fertilizer application levels were set: A1 (conventional fertilization), A2 (reduction rate of 20%), and A3 (reduction rate of 40%), along with two organic fertilizer application levels: B1 (750 kg·hm^-2) and B2 (2 250 kg·hm^-2). Changes in growth, dry matter accumulation and partition, as well as nutrient uptake, accumulation and partition of flue-cured tobacco under different treatments were analyzed. The results showed that chemical fertilizer reduction combined with organic fertilizer application had no significant effects on the agronomic traits of Guiyan5 at the topping stage, including natural plant height, natural leaf number, topped plant height, retained leaf number, stem circumference, internode length, maximum leaf length, and maximum leaf width. Among all treatments, the dry matter accumulation of root, stem, and the whole plant, the nitrogen and phosphorus accumulation in root, and the phosphorus and potassium accumulation in stem under the A2B2 treatment at the topping stage were significantly (p<0.05) higher than those under the A3B1 treatment. At the same organic fertilizer application level, the agronomic efficiencies of nitrogen, phosphorus, and potassium fertilizers in the A3 treatment were significantly higher than those in the A1 treatment. Overall, the recommended fertilization scheme for Guiyan5 in production is a 20% reduction in chemical fertilizers based on conventional fertilization combined with 2 250 kg·hm^-2 of organic fertilizer. This scheme can reduce chemical fertilizer input while improving the nutrient uptake and utilization efficiency of tobacco plants.

Key words: flue-cured tobacco, chemical fertilizer reduction, combined application of organic fertilizer, nutrient uptake and utilization, Guiyan5

CLC Number:

JIN Hui, HUO Qinjian, SHI Yuewei, LONG Mingjin, YANG Minghua, YANG Minmin, GAN Songmei, LIAN Yun, LIU Jinliang, REN Xueliang. Effects of chemical fertilizer reduction and organic fertilizer application on the growth, nutrient uptake and utilization of flue-cured tobacco cultivar Guiyan5 in Zunyi tobacco area of China[J]. Acta Agriculturae Zhejiangensis, 2026, 38(3): 450-459.

Figures/Tables 10

References 30

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处理 Treatment	自然株高/cm Natural plant height/cm	自然叶数 Natural leaf number	打顶株高/cm Topped plant height/cm	留叶数 Retained leaf number	茎围/cm Stem circum- ference/cm	节距/cm Internode length/cm	最大叶长/cm Maximum leaf length/cm	最大叶宽/cm Maximum leaf width/cm
A1B1	147.89±0.88 a	26.11±0.51 a	118.81±3.40 a	19.67±0.88 a	10.11±0.37 a	7.26±0.19 a	66.30±3.52 a	35.93±3.02 a
A2B1	142.00±3.09 a	26.00±1.15 a	119.56±1.42 a	19.78±0.19 a	10.71±0.39 a	6.86±0.22 a	67.03±0.76 a	35.28±1.84 a
A3B1	152.66±13.25 a	26.22±1.07 a	123.54±5.94 a	19.33±0.88 a	10.47±0.26 a	7.53±0.39 a	69.96±2.82 a	35.71±1.31 a
A1B2	146.88±4.22 a	25.89±0.19 a	122.53±5.08 a	20.44±0.69 a	10.57±0.33 a	7.12±0.74 a	68.31±3.85 a	35.94±0.83 a
A2B2	146.31±0.95 a	26.00±1.20 a	119.88±3.31 a	19.56±1.50 a	10.38±0.65 a	7.48±0.39 a	66.19±4.76 a	33.83±2.82 a
A3B2	148.38±5.71 a	26.00±0.32 a	123.69±6.38 a	19.78±1.02 a	10.18±0.05 a	7.01±0.23 a	67.12±1.56 a	34.13±0.94 a

处理 Treatment	自然株高/cm Natural plant height/cm	自然叶数 Natural leaf number	打顶株高/cm Topped plant height/cm	留叶数 Retained leaf number	茎围/cm Stem circum- ference/cm	节距/cm Internode length/cm	最大叶长/cm Maximum leaf length/cm	最大叶宽/cm Maximum leaf width/cm
A1B1	147.89±0.88 a	26.11±0.51 a	118.81±3.40 a	19.67±0.88 a	10.11±0.37 a	7.26±0.19 a	66.30±3.52 a	35.93±3.02 a
A2B1	142.00±3.09 a	26.00±1.15 a	119.56±1.42 a	19.78±0.19 a	10.71±0.39 a	6.86±0.22 a	67.03±0.76 a	35.28±1.84 a
A3B1	152.66±13.25 a	26.22±1.07 a	123.54±5.94 a	19.33±0.88 a	10.47±0.26 a	7.53±0.39 a	69.96±2.82 a	35.71±1.31 a
A1B2	146.88±4.22 a	25.89±0.19 a	122.53±5.08 a	20.44±0.69 a	10.57±0.33 a	7.12±0.74 a	68.31±3.85 a	35.94±0.83 a
A2B2	146.31±0.95 a	26.00±1.20 a	119.88±3.31 a	19.56±1.50 a	10.38±0.65 a	7.48±0.39 a	66.19±4.76 a	33.83±2.82 a
A3B2	148.38±5.71 a	26.00±0.32 a	123.69±6.38 a	19.78±1.02 a	10.18±0.05 a	7.01±0.23 a	67.12±1.56 a	34.13±0.94 a

处理 Treatment	AE/%			LPE/(g·g^-1)
处理 Treatment	N	P₂O₅	K₂O	N	P₂O₅	K₂O
A1B1	27.05±2.08 cd	28.17±2.17 bc	11.74±0.90 bc	19.48±1.48 a	218.36±11.30 a	24.16±3.30 a
A2B1	30.95±1.47 bc	32.54±1.55 bc	13.56±0.65 bc	18.98±0.45 a	218.93±8.42 a	26.46±0.92 a
A3B1	37.13±1.79 a	39.64±1.91 a	16.52±0.80 a	19.17±0.56 a	221.43±7.84 a	24.71±0.93 a
A1B2	23.18±2.29 d	25.87±2.55 c	10.78±1.06 c	18.72±0.59 a	211.53±1.89 a	24.93±2.28 a
A2B2	30.46±4.88 bc	34.76±5.56 ab	14.49±2.32 ab	18.81±0.33 a	209.46±9.46 a	25.12±2.73 a
A3B2	34.19±4.57 ab	40.36±5.39 a	16.83±2.25 a	18.75±0.65 a	218.43±9.04 a	27.23±1.98 a

处理 Treatment	AE/%			LPE/(g·g^-1)
处理 Treatment	N	P₂O₅	K₂O	N	P₂O₅	K₂O
A1B1	27.05±2.08 cd	28.17±2.17 bc	11.74±0.90 bc	19.48±1.48 a	218.36±11.30 a	24.16±3.30 a
A2B1	30.95±1.47 bc	32.54±1.55 bc	13.56±0.65 bc	18.98±0.45 a	218.93±8.42 a	26.46±0.92 a
A3B1	37.13±1.79 a	39.64±1.91 a	16.52±0.80 a	19.17±0.56 a	221.43±7.84 a	24.71±0.93 a
A1B2	23.18±2.29 d	25.87±2.55 c	10.78±1.06 c	18.72±0.59 a	211.53±1.89 a	24.93±2.28 a
A2B2	30.46±4.88 bc	34.76±5.56 ab	14.49±2.32 ab	18.81±0.33 a	209.46±9.46 a	25.12±2.73 a
A3B2	34.19±4.57 ab	40.36±5.39 a	16.83±2.25 a	18.75±0.65 a	218.43±9.04 a	27.23±1.98 a

Effects of chemical fertilizer reduction and organic fertilizer application on the growth, nutrient uptake and utilization of flue-cured tobacco cultivar Guiyan5 in Zunyi tobacco area of China

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