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Low-Temperature Fermented Straw Compost Regulates Rice Growth and Yield by Affecting Soil Physicochemical Properties and the Expression of Important Signaling Pathway Genes

文献类型： 外文期刊

作者： Liu, Tongtong 1 ; Liu, Ziguang 2 ; Zhao, Ziyi 1 ; Xu, Kai 1 ; Chen, Heshu 2 ; Feng, Yanzhong 2 ; Wang, Wentao 2 ; Zhang, Nan 1 ; Liu, Di 2 ; He, Xinmiao 2 ; Wu, Juan 1 ;

作者机构： 1.Northeast Forestry Univ, Coll Life Sci, Key Lab Minist Educ Ecol Restorat Saline Vegetat, Harbin 150040, Peoples R China

2.Heilongjiang Acad Agr Sci, Inst Anim Husb, Key Lab Combining Farming & Anim Husb, Minist Agr & Rural Affairs, Harbin 150086, Peoples R China

3.Nagoya City Univ, Grad Sch Sci, Nagoya 4678501, Japan

关键词： straw compost; rice; soil physicochemical properties; soil microbial diversity; transcriptome sequencing

期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN：

年卷期： 2023 年 13 卷 12 期

页码：

收录情况： SCI

摘要： Soil physicochemical properties affect crop growth and yield. The addition of fertilizers can improve the soil quality during crop cultivation, leading to increased agricultural production. Organic fertilizers may be produced by composting straw that would otherwise be discarded as agricultural waste, with potential implications for sustainable agricultural development. However, the mechanism underlying the effects of straw compost on crop growth is unknown. In this study, a microbial agent suitable for straw decomposition in cold regions was used for a large-scale biological fermentation. Organic compost was obtained after the decomposition of straw. The straw compost was mixed with soil in different proportions and then used to cultivate Songjing 2 rice plants. The addition of straw compost significantly increased the growth and yield of the rice plants and enhanced various physiological indices. Moreover, the straw compost treatment significantly improved soil physicochemical properties (e.g., pH, enzyme activity, nutrient composition, and microbial diversity) and optimized the soil conditions for crop growth. In addition, the application of straw compost influenced the expression of genes in rice metabolic pathways as well as pathways mediating secondary metabolite synthesis and plant hormone signal transduction. The study data reflect the potential applicability of low-temperature straw fermentation technology for maximizing crop production.

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