pan soil 硬土
Clay pan soil 粘盘土
soil evaporation pan 土壤蒸发皿
salt pan soil 盐田土壤
evaporation pan of soil 土壤蒸发器
multi pan cement-soil pile 多支盘水泥土桩
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。
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。
Pan and field experiments were conducted to investigate the effect of surface film on ammonia volatilization from water and paddy soil.
在温室盆钵和田间试验中，研究了表面分子膜对氨挥发的抑制效果。
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