Plant growth improving agent capable of improving growth inhibition due to overhumidity and method for improving growth inhibition due to overhumidity

摘要

[PROBLEMS] To provide a novel technique capable of improving plant growth suppression (wet damage) caused by excessive soil humidity. SOLUTION: A plant growth improving agent capable of improving suppression of plant growth caused by excessive soil moisture, a porous material, and a yeast extract, yeast cell wall and yeast adsorbed on the porous material A plant growth-improving agent comprising one or more yeast degradation products selected from the group consisting of cell wall degradation products. [Selection figure] None