The present study has investigated biological effects of arsenic on clay pan yellow cinnamon soil, red soils (with high fertility and low fertility) and paddy soil.
通过室内培养及室外盆栽实验，研究了砷在粘盘黄褐土、红壤(高肥力、低肥力)、水稻土上的生物学效应。
2
The results of experiment indicate that the soil of salt pan in Nanpu saltworks is mature.
实验结果表明：南堡盐场盐田土壤为发育成熟的盐田土壤。
3
Pan and field experiments were conducted to investigate the effect of surface film on ammonia volatilization from water and paddy soil.