ArticleFrontiers in plant science2026
Amino acid enhanced phosphorus fertilizers enhance wheat yield and efficiency by optimizing soil phosphorus pools in wheat fields for soil phosphorus risk management.
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. An erratum has been issued. Not yet cited in PubMed.
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- Erratum issued
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6 authors.
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Abstract
Developing amino acid-based biostimulant-enhanced phosphate fertilizers can help improve fertilizer use efficiency and reduce environmental emissions. However, under the background of phosphorus (P) risk management, the mechanism by which amino acid-enhanced phosphate fertilizers affect the transformation characteristics of soil P remains unclear. This study aimed to explore the effects of amino acid addition on soil P pools, crop yield, and phosphate fertilizer utilization through a soil column experiment. Five treatments were set up: (1) no fertilizer control (CK), (2) no phosphate fertilizer control (NK), (3) application of diammonium phosphate (P), (4) application of 0.5% amino acid-enriched diammonium phosphate (AP0.5), and (5) application of 5% amino acid-enriched diammonium phosphate (AP5), with six replicates for each treatment. The results showed that amino acid-enriched phosphate fertilizers promoted the absorption and utilization of P by wheat, and improved the yield and PUE, with the most significant effect in the AP0.5 treatment. Compared with the P treatment, the soil Olsen-P and Labile-P in the AP0.5 and AP5 treatments increased by 29.76% - 33.45% and 4.49% - 5.11%, respectively, with significant differences. However, there were no significant differences in the above indicators among treatments with different amino acid addition amounts. Path analysis between different P fractions and Olsen-P showed that H
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