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Application of Microbial Agent Seedling-raising Technology in Rice Production
LIKunyu, ZHOUHuaping, LUHui, WUHongfang, DINGLongping, SUNBang, YINGJinyao
Chin Agric Sci Bull ›› 2026, Vol. 42 ›› Issue (21) : 10-15.
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Abbreviation (ISO4): Chin Agric Sci Bull
Editor in chief: Yulong YIN
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Application of Microbial Agent Seedling-raising Technology in Rice Production
To elucidate the effects of microbial agent seedling-raising technology on rice yield and major agronomic traits, as well as its potential for chemical fertilizer reduction and efficiency enhancement in rice production, multi-site and multi-year field experiments were conducted during the rice growing seasons from 2022 to 2025. The results showed that the application of microbial agent treatment consistently improved root fresh weight, effective panicle number, grain yield, and economic benefits. Compared with the control (T0), the microbial agent treatment (T1) increased root fresh weight by an average of 22.5% at the seedling stage and 10.9% at the tillering stage. Moreover, the number of effective panicles at harvest was increased by an average of more than 5%, grain yield was enhanced by an average of 7.9%, and economic benefits were increased by an average of 1453 yuan/hm2. In the chemical fertilizer reduction experiment, the treatment combining microbial agent application with 10% chemical fertilizer reduction (T2) increased grain yield by 6.7% relative to the control (T0). Collectively, application of microbial agent during rice seedling-raising promotes root growth, improves seedling robustness, and enhances tillering capacity and effective panicle number, thereby effectively boosting grain yield and economic benefits. Meanwhile, the study provides preliminarily evidence supporting the potential of this technology for chemical fertilizer reduction and efficiency enhancement in rice production.
microbial agent / robustness of rice seedling / root / effective tiller / yield increase / chemical fertilizer reduction
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