| 摘要 |
PROBLEM TO BE SOLVED: To provide soil improvement and fertilizer design coincident with soil characteristics required in a wide area as a farm field, a soil management system by fertilization and speedy information by utilizing evaluation and a viewpoint of soil and environmental characteristics of a farmer, and easily performing improvement and appropriate fertilization suitable for plant growth to the conventional soil.SOLUTION: In a soil management support system, apparent specific gravity is corrected to apparent specific gravity suitable to the amount of fertilizer effect component required by plant from soil hardness, soil water permeability and drying loss capacity being soil physical properties noticed by a farmer to use the apparent specific gravity for soil improvement and a fertilization design, soil improvement or suitable fertilization management is performed on the basis of the result thereof to cultivate farm crop, which improves a crop yield and the quality of deliverables when the farmer repeats cropping. |
