ArticleFrontiers in plant science2022
N Addition Overwhelmed the Effects of P Addition on the Soil C, N, and P Cycling Genes in Alpine Meadow of the Qinghai-Tibetan Plateau.
Article in Frontiers in plant science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Biodiversity in mountain soils above the treeline.Biological reviews of the Cambridge Philosophical Society · 2025Review
- Soil bacterial community composition is altered more by soil nutrient availability than pH following long-term nutrient addition in a temperate steppe.Frontiers in microbiology · 2024Article
- The response of nutrient cycle, microbial community abundance and metabolic function to nitrogen fertilizer in rhizosphere soil ofFrontiers in microbiology · 2023Article
- Editorial: Patterns, functions, and processes of alpine grassland ecosystems under global change.Frontiers in plant science · 2022Article
- Effects of biochar and arbuscular mycorrhizal fungi on winter wheat growth and soil NFrontiers in plant science · 2022Article
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10 authors.
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Abstract
Although human activities have greatly increased nitrogen (N) and phosphorus (P) inputs to the alpine grassland ecosystems, how soil microbial functional genes involved in nutrient cycling respond to N and P input remains unknown. Based on a fertilization experiment established in an alpine meadow of the Qinghai-Tibetan Plateau, we investigated the response of the abundance of soil carbon (C), N, and P cycling genes to N and P addition and evaluated soil and plant factors related to the observed effects. Our results indicated that the abundance of C, N, and P cycling genes were hardly affected by N addition, while P addition significantly increased most of them, suggesting that the availability of P plays a more important role for soil microorganisms than N in this alpine meadow ecosystem. Meanwhile, when N and P were added together, the abundance of C, N, and P cycling genes did not change significantly, indicating that the promoting effects of P addition on microbial functional genes abundances were overwhelmed by N addition. The Mantel analysis and the variation partitioning analysis revealed the major role of shoot P concentration in regulating the abundance of C, N, and P cycling genes. These results suggest that soil P availability and plant traits are key in governing C, N, and P cycling genes at the functional gene level in the alpine grassland ecosystem.
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