浙江农业学报 ›› 2026, Vol. 38 ›› Issue (4): 643-654.DOI: 10.3969/j.issn.1004-1524.20250110

• 园艺科学 • 上一篇    下一篇

不同地面覆盖方式对日光温室内二氧化碳浓度与番茄生长的影响

孙勤1(), 雷永忠1, 金宁1, 金莉2, 王舒亚2, 张倩1, 张威1, 赵旺1, 郁继华1,2, 吕剑1,2,*()   

  1. 1 甘肃农业大学 园艺学院, 甘肃 兰州 730070
    2 干旱生境作物学国家重点实验室, 甘肃 兰州 730070
  • 收稿日期:2025-02-13 出版日期:2026-04-25 发布日期:2026-05-08
  • 作者简介:吕剑,E-mail:lvjian@gsau.edu.cn
    孙勤,研究方向为蔬菜逆境生理与环境调控。E-mail:2751187361@qq.com
  • 通讯作者: 吕剑
  • 基金资助:
    甘肃省重点研发计划(24YFNA018);甘肃省陇原青年英才(LYYC-2023-02);甘肃省科技重大专项(22ZD6NA009);甘肃农业大学伏羲青年英才项目(GAUfx-04Y03);中央引导地方科技发展专项(23ZYQA0322)

Effects of different ground mulching methods on carbon dioxide concentration in solar greenhouses and tomato growth

SUN Qin1(), LEI Yongzhong1, JIN Ning1, JIN Li2, WANG Shuya2, ZHANG Qian1, ZHANG Wei1, ZHAO Wang1, YU Jihua1,2, LYU Jian1,2,*()   

  1. 1 College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
    2 State Key Laboratory of Aridland Crop Science, Lanzhou 730070, China
  • Received:2025-02-13 Published:2026-04-25 Online:2026-05-08
  • Contact: LYU Jian

摘要:

针对我国西北地区日光温室秋冬季通风不便造成的CO2缺乏等问题,以金涛19番茄品种为试材,在日光温室中设置CK1(无覆盖)、CK2(垄上地膜覆盖)、T1(垄上地膜覆盖+垄间秸秆覆盖)、T2(垄上秸秆覆盖)和T3(秸秆全覆盖)5个处理,分析番茄生长发育和温室内的CO2浓度与分布,探索适宜的地面覆盖方式。结果显示,与CK1处理相比:T1处理近地面、冠层和冠层上部的CO2浓度在13:00、21:00、01:00和05:00均显著(p<0.05)提高;番茄叶片的叶绿素a、叶绿素b含量显著提高;叶片净光合速率、气孔导度和胞间CO2浓度显著提高,增幅分别为53.12%、10.34%和53.64%;株高、茎粗和叶片数显著增加;根系活力显著提高5.10%;根体积显著增加70.34%;总干重显著增加14.71%;茎、叶中氮、磷、钾和根中磷、钾含量亦显著增加。综上,垄上地膜覆盖+垄间秸秆覆盖可以通过提高温室内的CO2浓度、增强植株光合作用进而促进番茄生长和干物质积累。

关键词: 番茄, 日光温室, 地面覆盖, 光合作用, 干物质积累, CO2浓度

Abstract:

To address the issues including CO2 deficiency induced by poor ventilation in solar greenhouses during autumn and winter in northwest China, the tomato cultivar Jintao 19 was used as the test material. Five treatments were established in the solar greenhouse: CK1 (bare soil without mulching), CK2 (plastic film mulching on ridges), T1 (plastic film mulching on ridges + straw mulching in furrows), T2 (straw mulching on ridges), and T3 (full straw mulching). The growth and development of tomato plants, as well as the CO2 concentration and distribution in the greenhouse, were determined to screen the optimal ground mulching regime. The results showed that compared with CK1, the CO2 concentrations at the near-ground layer, canopy layer, and upper canopy layer under T1 were significantly (p<0.05) increased at 13:00, 21:00, 01:00 and 05:00. The contents of chlorophyll a and chlorophyll b were significantly elevated, the plant height, stem thickness and leaf number were significantly enhanced, and the contents of nitrogen (N), phosphorus (P), and potassium (K) in stem and leaf, as well as P and K contents in root, were also significantly increased under T1 treatment than those under the CK1 treatment. The net photosynthetic rate, stomatal conductance, intercellular CO2 concentration, root activity and root volume were significantly increased by 53.12%, 10.34%, 53.64%, 5.10%, 70.34%, respectively, under T1 treatment than those under the CK1 treatment. In conclusion, plastic film mulching on ridges combined with straw mulching in furrows can promote tomato growth and dry matter accumulation by elevating CO2 concentration in the greenhouse and enhancing plant photosynthesis.

Key words: tomato, solar greenhouse, ground mulching, photosynthesis, dry matter accumulation, CO2 concentration

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