Effects of drip irrigation with CO2 aqueous solution on agronomic traits and yield of processing tomato

doi:10.16178/j.issn.0528-9017.20231116

Abstract

Abstract:

The effect of drip irrigation under film on the growth and development of processing tomato was studied by drip irrigation with CO₂ aqueous solution during the growth period of processing tomato. The experiment was compared with conventional irrigation by drip irrigation with CO₂ aqueous solution. The results showed that the effect of drip irrigation with CO₂ aqueous solution on the agronomic traits of processing tomato was greater than that of conventional irrigation during the growth period of processing tomato. The plant height, chlorophyll content, flower number, number of red fruits per plant, soil conductivity, theoretical and actual yield of processing tomato were significantly better than those of conventional irrigation, and the growth period was 2 days earlier than that of conventional irrigation. It can be seen that the application of CO₂ aqueous solution with water droplets is beneficial to the growth and development of processing tomatoes and the increase of yield, with good market promotion prospects.

Key words: drip irrigation under film, processing tomato, CO₂ aqueous solution, agronomic traits, yield

CLC Number:

S641.2

QIAN Xin, WANG Shengyi, WANG Xiaojuan, XUE Jinling, BAO Fangjun. Effects of drip irrigation with CO₂ aqueous solution on agronomic traits and yield of processing tomato[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(5): 1037-1041.

Figures/Tables 9

Table 1 The amount of drip irrigation with CO2 aqueous solution during the growth period of processing tomatoes

处理	移栽—开花期 667 m²用量/kg	坐果期 667 m²用量/kg	成熟期 667 m²用量/kg
CO₂水溶液	80	300	160
常规灌溉	0	0	0

Table 2 Effects of drip irrigation with CO2 aqueous solution on the growth period of processing tomatoes

处理	移栽 (月-日)	开花 (月-日)	青果 (月-日)	红果 (月-日)	成熟 (月-日)
CO₂水溶液常规灌溉	05-05 05-05	05-26 05-26	06-06 06-08	07-17 07-19	08-05 08-07

Fig.1 Effect of drip irrigation with CO2 aqueous solution on the height of processing tomato plants

Fig.2 Effect of drip irrigation with CO2 aqueous solution on the SPAD of processing tomato plants

Fig.3 Effect of drip irrigation with CO2 aqueous solution on the flower numbers of processing tomato plants

Fig.4 Effect of drip irrigation with CO2 aqueous solution on the number of red fruits of processing tomato plants

Fig.5 Effect of drip irrigation with CO2 aqueous solution on the pH value of soil

Fig.6 Effect of drip irrigation with CO2 aqueous solution on the soil conductivity

Table 3 Effects of drip irrigation with CO2 aqueous solution on the yield of processing tomatoes

处理	单株红果数	红果单重/g	667 m²理论产量/kg	667 m²实际产量/kg
CO₂水溶液	49.67	46.58	7 172.25	6 067.9
常规灌溉	42.00	44.92	5 848.58	5 169.1

References 10

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Effects of drip irrigation with CO₂ aqueous solution on agronomic traits and yield of processing tomato

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