A Comparative Study on Under-film Transplanting Methods of Throwing Young Tobacco Seedlings in Clear Water and Conventional Method: Analysis from the Perspectives of Growth and Cost

doi:10.11924/j.issn.1000-6850.casb2023-0354

Abstract

Abstract:

To reduce labor intensity, improve transplanting efficiency, and lower transplanting costs of flue-cured tobacco, a new under-film transplanting method of throwing young tobacco seedlings in clear water was compared with the conventional method. The effects of the two transplanting methods on the survival rate of seedlings, plant growth and development, transplanting cost, and output value of tobacco leaves were evaluated. The results showed that there was no significant difference between under-film transplanting of throwing young tobacco seedlings in clear water and conventional transplanting in terms of plant survival rate, agronomic traits, amount of dry matter, root-shoot ratio, and leaf value. Throwing seedlings in clear water increased the seedling utilization rate by 7.38%-7.40%, and decreased the transplanting cost by 1370.25-1443.30 yuan/hm², with a reduction range of 33.62%-40.74%. Throwing seedlings in clear water is an effective transplanting technique with the advantages of high efficiency, high survival rate, labor saving, and cost reduction. It can ensure the stable output value of tobacco and has good potential for application in the tobacco-growing areas where young tobacco seedlings are transplanted under film.

Key words: flue-cured tobacco, young tobacco seedlings under film, throwing seedlings, transplanting

LI Pengfei, ZHU Yanmei, XU Tianyang, YIN Honghui, DAI Jue, ZHANG Chuanshu, YANG Min, SONG Guohui. A Comparative Study on Under-film Transplanting Methods of Throwing Young Tobacco Seedlings in Clear Water and Conventional Method: Analysis from the Perspectives of Growth and Cost[J]. Chinese Agricultural Science Bulletin, 2023, 39(31): 13-18.

Figures/Tables 8

References 23

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处理	株高/cm	有效叶数/片	腰叶长/cm	腰叶宽/cm
T₁(CK₁)	20.17±0.76a	10.33±1.53a	33.67±2.08a	18.00±2.00a
T₂	20.33±2.31a	10.33±0.58a	32.33±5.86a	16.67±1.53a
T₃	20.33±0.76a	10.00±1.00a	33.00±2.65a	17.00±1.00a
T₄(CK₂)	20.00±1.32a	9.33±0.58a	30.83±1.89a	17.00±1.00a
T₅	19.83±1.26a	9.17±0.76a	30.17±1.61a	16.00±1.00a
T₆	19.50±1.50a	9.33±0.58a	30.33±0.58a	17.33±1.53a

处理	株高/cm	有效叶数/片	腰叶长/cm	腰叶宽/cm
T₁(CK₁)	20.17±0.76a	10.33±1.53a	33.67±2.08a	18.00±2.00a
T₂	20.33±2.31a	10.33±0.58a	32.33±5.86a	16.67±1.53a
T₃	20.33±0.76a	10.00±1.00a	33.00±2.65a	17.00±1.00a
T₄(CK₂)	20.00±1.32a	9.33±0.58a	30.83±1.89a	17.00±1.00a
T₅	19.83±1.26a	9.17±0.76a	30.17±1.61a	16.00±1.00a
T₆	19.50±1.50a	9.33±0.58a	30.33±0.58a	17.33±1.53a

处理	株高/cm	有效叶数/片	腰叶长/cm	腰叶宽/cm	茎围/cm
T₁(CK₁)	90.00±3.50a	18.67±2.08a	65.33±2.52a	29.33±2.02a	8.27±0.32a
T₂	89.33±0.58a	19.00±1.00a	64.00±4.36a	29.50±2.29a	8.03±0.25a
T₃	90.00±2.65a	18.33±0.58a	66.00±3.91a	29.00±2.18a	8.33±0.76a
T₄(CK₂)	90.33±3.51a	18.20±1.81a	64.33±2.08a	29.33±1.26a	8.13±0.15a
T₅	89.00±3.50a	18.17±1.26a	64.50±3.28a	29.17±1.53a	8.10±0.36a
T₆	91.00±6.56a	18.00±1.00a	62.33±3.21a	29.17±1.15a	7.93±0.40a

处理	株高/cm	有效叶数/片	腰叶长/cm	腰叶宽/cm	茎围/cm
T₁(CK₁)	90.00±3.50a	18.67±2.08a	65.33±2.52a	29.33±2.02a	8.27±0.32a
T₂	89.33±0.58a	19.00±1.00a	64.00±4.36a	29.50±2.29a	8.03±0.25a
T₃	90.00±2.65a	18.33±0.58a	66.00±3.91a	29.00±2.18a	8.33±0.76a
T₄(CK₂)	90.33±3.51a	18.20±1.81a	64.33±2.08a	29.33±1.26a	8.13±0.15a
T₅	89.00±3.50a	18.17±1.26a	64.50±3.28a	29.17±1.53a	8.10±0.36a
T₆	91.00±6.56a	18.00±1.00a	62.33±3.21a	29.17±1.15a	7.93±0.40a

移栽方式	325孔育苗盘可移栽苗/株	325孔育苗盘烟苗利用率/%	162孔育苗盘可移栽苗/株	162孔育苗盘烟苗利用率/%
抛苗移栽	294a	90.46a	150a	92.59a
常规移栽	270b	83.08b	138b	85.19b