Oxalic acid is more efficient than sulfuric acid for rock ...
1. Introduction. The efficient use of natural reserves of phosphorus (P), i.e. rock phosphates (RPs), is crucial to ensure food security in the world, given that most of the mined RPs are applied as fertilizer in agricultural crops (Cordell and Neset, 2014, Cordell and White, 2014, Schröder et al., 2010, Tilman et al., 2011).P fertilization is an essential practice in most croplands, since ...