PURPOSE: A bed soil composition enabling users to easily manage is provided to offer the excellent water-retaining capacity and air permeability of the composition to users. CONSTITUTION: A bed soil composition contains 100 parts of regular bed soil by weight, 15-30 parts of feldspar by weight, 0.1-0.3 parts of negative ion chips by weight, and 5-15 parts of leaf mold by weight. The regular bed soil contains 35-45vol% of coco peat, 35-45vol% of peat moss, and 15-25vol% of porous mineral. The feldspar contains 45-55wt% of SiO2, 25-35wt% of Al2O3, 7-13wt% of CaO, 3-5wt% of Na2O, 0.1-1wt% of MgO, 0.1-1wt% of Fe2O3, 0.1-1wt% of K2O, and 0.1-1wt% of TiO2. The negative ion chips include 100 parts of molten glass by weight, and 0.5-2 parts of moissanite by weight. The porous mineral is obtained by mixing zeolite, pearlite, and vermiculite in a volume ratio of 1:1:1.본 발명은 코코피트, 피트모스 및 다공성 광물을 포함하는 일반 상토 100중량부에 대하여, 장석규사 15 내지 30중량부, 음이온 칩 0.1 내지 0.3중량부, 및 탄화된 부엽토 5 내지 15중량부를 포함하는 상토 조성물에 관한 것으로, 실내에서 자라는 화분 식재 식물의 경우에도 뿌리 썩음, 잎의 갈라짐이나 마르는 증상 없이 잘 자랄 수 있다.
