ArticleFrontiers in plant science2026
Fertilization measures improve agronomic traits of alfalfa by regulating root bacterial co-occurrence networks.
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Alfalfa ( Methods: We examined the effects of 14 fertilization treatments-including a nonfertilized control, single-nutrient-deficient treatments, and treatments with varying or imbalanced N-P-K ratios-on soil properties, agronomic traits, and rhizosphere bacteria in alfalfa based on a two-year "3414" fertilization experiment. Results: All fertilization treatments significantly (p < 0.05) increased soil nutrient content, and, due to the interaction between the cumulative effects of fertilizers and associated biological processes, soil nutrient levels differed significantly between years. At the same time, fertilization significantly improved alfalfa agronomic traits (e.g., height, stem diameter, and yield), with the optimal fertilization treatment (N2P2K2: 135 kg ha Conclusion: This study demonstrates that optimal NPK fertilization enhances alfalfa productivity by simplifying and stabilizing the rhizosphere bacterial co-occurrence network, providing a microbiological basis for precision fertilization management in leguminous forage production.
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