Laboratory Testing Methods for Nitrogen Fixation and Phosphorus Solubilization Efficacy
Summary :Comprehensive laboratory protocols for evaluating biofertilizer efficiency including nitrogenase activity measurement via acetylene reduction method, phosphate solubilizing bacteria screening using Pikovskaya's medium, phosphorus-dissolving capacity quantification through colorimetry, microbial viability testing (CFU/mL), and multifunctional bacteria evaluation (ACC deaminase, siderophore, IAA secretion)