Soil microbial and enzymatic signatures decode ancient millet fertilization strategies in Guanzhong arid farmlands
2025-12-01 NPJ HERITAGE SCIENCE 2025 13(卷), 1(期), (null页)
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Agricultural archaeology faces limitations in differentiating manure sources via stable isotopes (e.g., delta N-1(5)). This study establishes a microbial-functional identification framework that deciphers prehistoric manuring strategies in Guanzhong dryland millet systems by linking microbial taxa to soil biochemistry. Pig manure (ZH) significantly enriched Actinobacteria (27.12%), elevating nitrate-N (10.54 mg
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