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USE OF ORGANIC COMPOST WITH PARACOCCUS DENITRIFICANS SUSPENSIONS IMPROVE RICE AND WHEAT YIELDS WITH LOWER EMISSIONS OF GREENHOUSE GASES

文献类型： 外文期刊

作者： Kang, Rui 1 ; Min, Hongzhi 1 ; Huang, Xingchen 1 ; Gang, Chen 2 ; Liu, Huan 1 ; Shu, Chenhui 1 ; Ahmad, Hassan muhammad 2 ; Mur, Luis alejandro jose 4 ; Ren, Lantian 1 ; Wu, Wenge 2 ;

作者机构： 1.Anhui Sci & Technol Univ, Anhui Engn Res Ctr Smart Crop Planting & Processin, Fengyang 233100, Peoples R China

2.Anhui Acad Agr Sci, Rice Res Inst, Hefei 230041, Peoples R China

3.Anhui Agr Univ, 130 Changjiang West Rd, Hefei 230036, Peoples R China

4.Aberystwyth Univ, Dept Life Sci, Penglais Campus, Aberystwyth SY23 2DA, Wales

关键词： Compost; Greenhouse gas; Rice-wheat rotation; Microbial suspension.

期刊名称：PAKISTAN JOURNAL OF BOTANY （ 影响因子：0.9； 五年影响因子：1.0 ）

ISSN： 0556-3321

年卷期： 2025 年 57 卷 1 期

页码：

收录情况： SCI

摘要： In this experiment, we evaluated the effects of different compost proportions combined with Paracoccus denitrificans nitrate-reducing suspensions on greenhouse gas emissions and soil microbiota associated with rice and wheat plants, focusing on yield and quality outcomes. The treatments were as follows: T0 (single application of organic fertilizer), T1 (10% compost instead of fertilizer), T2 (20% compost replacement), T3 (30% compost replacement), W0 (clear water), W1 (P. denitrificans suspension MHZ006), W2 (P. denitrificans suspension MHZ007). Compost application improved crop yield ,quality of rice and wheat and the physical and chemical properties of the soil. Compared to T1W0, T2W0 and T3W0 increased soil proteobacteria by 7.34% and 12.03%. Firmicutes increased by 3.35% and 0.15%, Arespectively Nitrous oxide (N2O) emissions decreased by 16.98% and 48.27%, while methane (CH4) emissions rose by 1.36% and 23.62%, respectively. The application of P. denitrificans suspensions significantly reduced CH4 emissions. The combination of 30% compost and microbial suspension MHZ007, Awas the most effective fertilization measure, reducing CH4 and N2O by 80.75% and 96.12%, respectively while increasing yield by 15.77%, compared with that of a single fertilizer. Thus, 30% compos with microbial suspension MHZ007 effectively improves and enhances the yield and quality of rice and wheat, reduces N2O and CH4 emissions, and improves soil vitality.

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