Effects of CO2 Aqueous Solution on the Growth and Yield of Rice under Film Mulching Drip Irrigation
Received date: 2025-05-25
Online published: 2025-09-11
Using the rice variety Ninggeng 53 as material, this study investigated the effects of drip-applying CO2 aqueous solution on the growth period, tillering dynamics, plant height, and agronomic traits of rice under film mulching drip irrigation. The results showed that, compared with conventional irrigation, drip-applying CO2 aqueous solution shortened the growth period of rice under film mulching drip irrigation by 3 days but significantly increased its plant height (by 7.14%-8.19%), SPAD value (by 10.56%-11.20%), the diameter of the second node from the top (by 6.14%-7.23%), effective tiller number (by 10.11%-10.34%), effective panicle number (by 1.33%-1.52%), and 1000-grain weight (by 1.64%-2.07%), ultimately, increased the yield by 10.39%-12.21%.
Key words： CO2 aqueous solution; film mulching drip irrigation; rice; yield; agronomic traits
ZHAO Shuangling, WANG Shengyi, WANG Xiaojuan, MA Chenhu, HAO Yufeng, ZHU Jiangyan, BAO Fangjun . Effects of CO2 Aqueous Solution on the Growth and Yield of Rice under Film Mulching Drip Irrigation[J]. China Rice, 2025 , 31(5) : 105 -107 . DOI: 10.3969/j.issn.1006-8082.2025.05.017
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