Elsevier

Advances in Agronomy

Volume 69, 1999, Pages 99-151
Advances in Agronomy

Growth Promotion of Plants Inoculated with Phosphate-Solubilizing Fungi

https://doi.org/10.1016/S0065-2113(08)60948-7Get rights and content

Phosphorus is an important plant nutrient which is in short supply in many agricultural soils. Because much of the soluble phosphate (P) applied to soils as fertilizer is “fixed” by the soil and rendered less available to plants, the long-term application of P fertilizers has resulted in an accumulation of total soil P, most of which is poorly soluble. Many soil fungi, predominantly of the genera Aspergillus and Penicillium, have been shown to possess the ability to solubilize sparingly soluble phosphates in vitro by secreting inorganic or organic acids. Growth promotion and increased uptake of P by plants inoculated with P-solubilizing fungi have also been reported by many investigators.

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