| abstract |
(57) [Summary] [Problem] To provide a material involved in controlling sap concentration in a plant. SOLUTION: "Kansui" is used as a base material, and a mineral is added thereto as a trace element source, and if desired, This is achieved by adding an organic acid to promote the dissolution of the trace elements and thus enhancing the ionic effect of the trace elements, thereby activating the sap in the plant and exerting the growth promoting effect. |