Physiochemical characteristics of soil fulvic acids in the NPK and M treatments^*.

Abstract

<p>*Note: Significance was determined using one-way ANOVA followed by Tukey’s HSD post hoc tests, where conditions of normality and homogeneity of variance were met, means (<i>n</i> = 3) followed by different letters indicate significant differences between treatments at <i>P</i><0.05. Abbreviations: NPK, chemical nitrogen, phosphorus and potassium; SM, swine manure; SOC, soil organic carbon; DOC, dissolved organic carbon; EC, electricity conductivity.</p