Technical regulations for tobacco-wheat relay intercropping in central Henan and its demonstration effects

doi:10.16178/j.issn.0528-9017.20250910

Abstract

Abstract:

Irregular tobacco-wheat intercropping adversely affects tobacco growth and leaf quality. To promote the coordinated development of integrated grain and tobacco production and further improve tobacco quality，a technical regulation for tobacco-wheat relay intercropping in central Henan Province has been developed based on scientific research projects. This regulation emphasizes tobacco as the primary crop，aims to enhance leaf quality，and specifies key aspects including spatio-temporal crop arrangement，variety selection，and corresponding cultivation techniques for tobacco. Demonstration results from seven sites in major tobacco-growing counties of central Henan Province showed that this regulation improves tobacco growth，reduces the incidence of major diseases，and enhances yield stability. The appearance quality，chemical composition，and sensory quality of the tobacco leaves were generally comparable to or approached those of monocropped tobacco，and were significantly better than those under traditional local intercropping practices. Compared with monocropped tobacco，the comprehensive output value increased by 1 106.7 yuan per 667 m2，with a net income increase of 709.4 yuan per 667 m2. Compared with traditional local intercropping，the comprehensive output value increased by 409.4 yuan per 667 m2，with a net income increase of 447.9 yuan per 667 m2. The application of this technical regulation serves as a demonstration model for promoting tobacco quality improvement in tobacco-wheat intercropping systems within integrated grain and tobacco production.

Key words: flue-cured tobacco, tobacco-wheat relay intercropping, technical regulation, demonstration effect

CLC Number:

S572

LIU Qiaozhen, ZHANG Rui, WANG Mengmeng, GUO Fangyang, FAN Yikuan, SONG Ruifang, WU Zhaohui, LI Jianhua. Technical regulations for tobacco-wheat relay intercropping in central Henan and its demonstration effects[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(6): 1480-1484.

Figures/Tables 6

References 11

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调查时间	种植方式	株高/cm	茎围/cm	最大叶长/cm	最大叶宽/cm	叶片数	最大叶SPAD值
移栽后35 d	M1	32.5±2.5 a	4.8±0.2 ab	38.8±1.9 ab	24.3±1.3 a	13.8±0.8 ab	41.9±2.5 ab
	M2	26.7±1.8 b	4.6±0.3 b	34.2±1.7 b	19.5±1.1 b	13.2±0.8 b	37.8±2.6 b
	M3	34.2±2.0 a	5.2±0.2 a	41.3±1.8 a	25.4±0.9 a	14.6±0.5 a	44.3±2.0 a
移栽后55 d	M1	95.6±3.8 a	8.7±0.7 a	73.1±2.8 a	39.6±1.9 a	18.4±0.9 a	48.7±1.1 a
	M2	78.6±4.6 b	7.9±0.5 a	66.8±2.2 b	34.8±0.6 b	16.5±0.9 b	48.2±2.0 a
	M3	98.5±4.1 a	8.6±0.4 a	75.3±3.4 a	37.9±1.8 a	19.3±1.3 a	47.9±1.6 a

调查时间	种植方式	株高/cm	茎围/cm	最大叶长/cm	最大叶宽/cm	叶片数	最大叶SPAD值
移栽后35 d	M1	32.5±2.5 a	4.8±0.2 ab	38.8±1.9 ab	24.3±1.3 a	13.8±0.8 ab	41.9±2.5 ab
	M2	26.7±1.8 b	4.6±0.3 b	34.2±1.7 b	19.5±1.1 b	13.2±0.8 b	37.8±2.6 b
	M3	34.2±2.0 a	5.2±0.2 a	41.3±1.8 a	25.4±0.9 a	14.6±0.5 a	44.3±2.0 a
移栽后55 d	M1	95.6±3.8 a	8.7±0.7 a	73.1±2.8 a	39.6±1.9 a	18.4±0.9 a	48.7±1.1 a
	M2	78.6±4.6 b	7.9±0.5 a	66.8±2.2 b	34.8±0.6 b	16.5±0.9 b	48.2±2.0 a
	M3	98.5±4.1 a	8.6±0.4 a	75.3±3.4 a	37.9±1.8 a	19.3±1.3 a	47.9±1.6 a

种植方式	病毒病		根茎类病害
种植方式	病株率/%	病情指数	病株率/%	死株率/%
M1	8.3±3.4 b	4.7±1.3 b	6.5±1.3 b	8.6±1.4 b
M2	9.5±2.5 b	5.6±1.5 b	6.2±2.1 b	8.8±1.2 b
M3	16.5±3.2 a	9.2±2.0 a	10.6±2.0 a	12.2±2.0 a

种植方式	病毒病		根茎类病害
种植方式	病株率/%	病情指数	病株率/%	死株率/%
M1	8.3±3.4 b	4.7±1.3 b	6.5±1.3 b	8.6±1.4 b
M2	9.5±2.5 b	5.6±1.5 b	6.2±2.1 b	8.8±1.2 b
M3	16.5±3.2 a	9.2±2.0 a	10.6±2.0 a	12.2±2.0 a

种植方式	每667 m²成本/元	每667 m²小麦产值/元	每667 m²烟叶产值/元	每667 m²综合产值/元	每667 m²纯收入/元	投入产出比
M1	3 382.7±89.1 a	818.8±26.8 a	5 816.6±227.8 a	6 635.4±238.1 a	3 252.7±203.4 a	1.96
M2	3 421.2±78.3 a	893.2±27.3 a	5 332.8±210.4 b	6 226.0±221.1 b	2 804.8±263.1 ab	1.82
M3	2 985.4±156.9 b	0	5 528.7±205.2 ab	5 528.7±205.2 c	2 543.3±348.6 b	1.85