Macrogenomics-Based Analysis of the Effects of Intercropped Soybean Photosynthetic Characteristics and Nitrogen-Assimilating Enzyme Activities on Yield at Different Nitrogen Levels
文献类型： 外文期刊
作者： Zhang, Liqiang 1 ; Feng, Yudi 1 ; Zhao, Zehang 1 ; Baoyin, Bate 1 ; Cui, Zhengguo 2 ; Wang, Hongyu 1 ; Li, Qiuzhu 1 ; Cui, Jinhu 1 ;
作者机构： 1.Jilin Univ, Coll Plant Sci, Changchun 130012, Peoples R China
2.Jilin Acad Agr Sci, Soybean Res Inst, Changchun 130033, Peoples R China
关键词： soybean intercropping; photosynthetic characteristics; nitrogen-assimilating enzymes; bacterial community; yield
期刊名称：MICROORGANISMS （ 影响因子：4.1； 五年影响因子：4.5 ）
ISSN：
年卷期： 2024 年 12 卷 6 期
页码：
收录情况： SCI
摘要：
Currently, China's soybean self-sufficiency rate is only 15%, highlighting the soybean crisis and the supply chain risks that pose a major threat to China's food security. Thus, it has become imperative to step up efforts to boost soybean production capacity while promoting the green and sustainable development of regional farmland ecosystems. In this context, the present study comprehensively investigated the effects of intercropping and nitrogen application rate on soybean yield, as well as the changes in gradients generated by different levels of nitrogen application. Based on six consecutive years of maize-soybean intercropping planting patterns, the inter-root soils of soybeans were collected at the flowering stage and evaluated for soil nitrogen content, nitrogen-assimilating enzyme activities, and microbial community composition of soybean, which were correlated with yield, to clarify the main pathways and modes of intercropping effects. The N2 level (80 kg
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