Enhanced biological cycling of phosphorus increases its availability to crops in low-input sub-Saharan farming systems

By G. Ayaga, A. D. Todd, P. Brookes. 2006

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Phosphorus availability and microbial community in the rhizosphere of intercropped cereal and legume along a P-fertilizer gradient (2016, background): “Microbial P has been described as a potentially available pool of P for plants, as long as it can release inorganic P during microbial turnover (Ayaga et al. 2006; Richardson and Simpson 2011).”
Effects of 42-year long-term fertilizer management on soil phosphorus availability, fractionation, adsorption-desorption isotherm and plant uptake in flooded tropical rice (2015, background): “Consequently, large amounts of expensive inorganic P fertilizers need to be applied to many agricultural soils to attain reasonable crop yields [5].”
Changes in soil phosphorus lability promoted by phosphate sources and cover crops (2018, background): “Phosphorus released by the decomposition of cover crops may remain plant available (STP– Soil Test P), be immobilized by microorganisms, transformed into organic P, or leached out from the soil (Alamgir et al., 2012; Ayaga et al., 2006; Damon et al., 2014; Oehl et al., 2001; Simpson et al., 2011).”