Testing Methods for Nitrogen Fixation and Phosphorous Solubilizing Efficiency
Summary :Laboratory protocols for evaluating plant growth-promoting bacteria including phosphate-solubilizing bacteria (PSB) screening using Pikovskaya's medium, colony characteristic observation, phosphorus-dissolving capacity determination via molybdenum-antimony-scandium colorimetry, nitrogenase activity measurement using acetylene reduction method, and multifunctional bacterial screening (ACC deaminase, siderophore, IAA secretion).