三种含钙物质对土壤砷植物有效性的影响

综述含钙物质（生石灰（CaO）、熟石灰（Ca （OH）₂）及石灰石（CaCO₃））对土壤理化性质（pH值、有机质成分及其含量）、土壤微生物群落结构和As赋存形态及生物有效性的影响与机制，及其对植物As吸收积累和As耐性的影响与机制.综述内容可为准确理解含钙物质影响土壤As的生物有效性和植物对As吸收积累的过程机制，进而合理选择含钙物质调控土壤理化性质降低土壤As生物有效性及其生态环境风险提供理论依据和技术参考，对保障土壤种植安全和作物食品安全具有一定现实意义.

Effects of three calcium substances on plant bioavailability of arsenic in soil

This paper reviewed effects of calcareous materials (mainly including CaO, Ca(OH)₂ and CaCO₃, and others) on soil physicochemical properties (pH, composition and content of soil organic matter), microbial community, and As bioavailability, including impacts on As tolerance in plants, uptake and accumulation of As by plants. The review can provide theoretical and technical references for accurately understanding mechanisms under effects of calcareous materials on As bioavailability in soils and uptake and accumulation of As by plants, and then contribute to rationally select calcareous materials to improve soil physicochemical properties and reduce As bioavailability and its environmental risks in soils. It has certain practical significances for ensuring planting safety and food safety in agricultural field.