试验还发现第四纪红土母质发育的土壤有机硫供硫潜力及速率明显大于花岗岩、砂页岩和紫砂岩母质。
Results also showed that the S mineralization rate and potentials of soils originated from Quaternary period parent material was significantly greater than that of soils from the granite , arenaceous shale , and purplish red sandstone .
紫砂岩