PH ADJUSTER FOR MAN-MADE MINERAL FIBER, MAN-MADE MINERAL FIBER FOR CULTURE MEDIA, PRODUCTION METHOD THEREOF AND PLANT CULTIVATION APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a pH adjuster for man-made mineral fibers which can adjust the pH of a man-made mineral fiber added by adding into the man-made mineral fiber such as rock wool in a range suitable for plant cultivation, and loses few man-made mineral fiber concerned, to provide a man-made mineral fiber with a pH in a range suitable for plant cultivation with few losses, to provide a method for producing a man-made mineral fiber which can obtain the man-made mineral fiber with a pH in a range suitable for plant cultivation with few losses, and to provide a plant cultivation apparatus in which a pH is in a range suitable for plant cultivation and using the man-made mineral fiber with few losses.;SOLUTION: A specific acid solution is used. The suitable pH is in the range of 1.0-5.0.;COPYRIGHT: (C)2015,JPO&INPIT