PROBLEM TO BE SOLVED: To provide an inhibitor on cadmium absorption easy to handle compared with alkali agents, such as slaked lime, sustains effects, and inhibits cadmium absorption of agricultural crops without damaging base balance in soil.SOLUTION: The inhibitor on cadmium absorption of upland field crops contains 10-70 mass% of magnesium oxide and 30-90 mass% of calcium carbonate.COPYRIGHT: (C)2011,JPO&INPIT【課題】消石灰などのアルカリ剤に比べ取り扱いやすく、効果が持続し、土壌塩基バランスを損なわずに、農作物のカドミウム吸収を抑制することができるカドミウム吸収抑制剤を提供すること。【解決手段】酸化マグネシウム10~70質量%及び炭酸カルシウム30~90質量%を含有する、畑作物のカドミウム吸収抑制剤。【選択図】なし