“soil sealing”造句，怎麼用soil sealing造句

Artificial sowing was made of Gordonia acumimata to investigate the differences in its germination and seedling emergence at different depths of soil sealing and litter mulching.

A large industry bare area is formed in the downwind of smelter caused by metal smelting production, with feature of soil sealing, high content of heavy metal, utmost acidification and barren.