磷对植物的生长至关重要——有了磷，植物就可以获取、转移和储存能量，帮助它们充分健康地生长。因此，农民和园丁经常使用磷肥（P肥）来增加土壤中的磷含量。然而，最近的一项研究发现，过量的磷肥实际上会通过改变土壤中微生物的组成和功能来伤害植物。

Excessive phosphate fertilizer use can reduce microbial functions critical to crop health

https://www.sciencedaily.com/releases/2019/03/190318132659.htm

Journal Reference:

1. Laura M. Kaminsky, Grant L. Thompson, Ryan V. Trexler, Terrence H. Bell, Jenny Kao-Kniffin. Medicago sativa has Reduced Biomass and Nodulation When Grown with Soil Microbiomes Conditioned to High Phosphorus Inputs. Phytobiomes Journal, 2018; 2 (4): 237 DOI: 10.1094/PBIOMES-06-18-0025-R