ARTIFICIAL CULTURE MEDIUM FOR PLANT

摘要

PURPOSE:To obtain an artificial culture medium for plant suitable as a raising seedling medium for rice cropping and upland cropping by impregnating, applying or scattering a mineral or polymeric water-retaining agent to a porous material having a specific bulk density. CONSTITUTION:The objective artificial culture medium for plant is produced by impregnating, applying or scattering a mineral water-retaining agent (e.g. bentonite) or polymeric water-retaining agent (e.g. starch-acrylic acid salt graft polymer) to a porous material (e.g. rock wool) formed or granulated in a form having a bulk density or 0.01-0.5g/cm<3>.