Mean leaf P concentration of potato plants in experiment 3.
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Abstract
<p>Plants were inoculated with ten different strains of P solubilizing bacteria (P28 –P108), with added inoculum of <i>R</i>. <i>irregularis</i> and insoluble P in the form of rock phosphate. AMF + Insol P = added inoculum of <i>R</i>. <i>irregularis</i> and insoluble P in the form of rock phosphate but no added bacteria. Sol P = addition of soluble P but no added bacteria or <i>R</i>. <i>irregularis</i>. Insol P = addition of insoluble P in the form of rock phosphate but no added bacteria or <i>R</i>. <i>irregularis</i>. No P = no addition of any P source and no added bacteria or <i>R</i>. <i>irregularis</i>. All plants in all treatments are planted in non-sterile soil containing an existing microbial community. Error bars represent + 1 S.E. Different letters above bars represent significant differences (<i>P</i> ≤ 0.05) according to a Tukey test.</p