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The Effects of Tillage Systems and Cover Crops on Soil Quality and Soybean Yield

文献类型： 外文期刊

作者： Hunag, Qiliang 1 ; Gong, Yingting 2 ; Li, Peiran 3 ; Dewi, Ratih Kemala 4 ; Komatsuzaki, Masakazu 5 ;

作者机构： 1.Tokyo Univ Agr & Technol, United Grad Sch Agr Sci, Saiwaicho 3-5-8, Fuchu, Tokyo 1838509, Japan

2.Guangdong Acad Agr Sci, Inst Agr Resources & Environm, Guangzhou 510642, Peoples R China

3.Minist Ecol & Environm PRC, South China Inst Environm Sci, State Environm Protect Key Lab Environm Pollut Hlt, Guangzhou 510655, Peoples R China

4.IPB Univ, Coll Vocat Studies, Jl Kumbang 14, Bogor 16151, West Java, Indonesia

5.Ibaraki Univ, Coll Agr, 3-21-1 Ami, Ibaraki 3000393, Japan

关键词： conservation tillage; cover crop; soil organic carbon; soil total nitrogen; residue decomposition

期刊名称：AGRICULTURE-BASEL （ 影响因子：3.6； 五年影响因子：3.8 ）

ISSN：

年卷期： 2024 年 14 卷 12 期

页码：

收录情况： SCI

摘要： Implementing management practices that minimize environmental impact while maintaining high crop yields is essential to achieve sustainable agricultural production. This study conducted a field trial within a soybean system to evaluate the responses of crop yield, residue decomposition, soil organic carbon (SOC) stock, and soil total nitrogen (STN) stock to varying tillage [moldboard tillage (MP) vs. no-tillage (NT)] and cover crop [hairy vetch (Vicia villosa Roth, HV) vs. rye (Secale cereal, RY)] management practices. The results showed no significant difference in soybean economic yield between MP and NT. However, NT demonstrated a higher SOC stock (0-30 cm), exceeding MP by 4.0% in 2020 and 8.2% in 2021. STN stock (0-30 cm) under NT also surpassed that of MP by 3.3% in 2020 and 3.6% in 2021. No significant differences were observed in soybean yield, SOC stock, and STN stock between HV and RY. Compared to NT, MP accelerated the decomposition of cover crop residues. Moreover, the decomposition of RY was more difficult than that of HV. These findings suggest that NT enhances soil carbon and nitrogen sequestration without compromising yield, positioning it as a sustainable practice for soybean systems, particularly when integrated with RY cover crops.

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