尽量减少对土壤的干扰并通过现有的覆盖层直接播种。
Soil is disturbed as little as possible and is seeded directly through existing mulch cover.
隐伏硫化物矿体在地下水的作用下，在其覆盖层浅部含铁锰氧化物和有机质的土壤中形成盐晕。
Saline Halos are often formed in the soil containing Fe and Mn oxides and organic material by a concealed sulfide ore body under the action of the ground water.
垃圾填埋场覆盖层土壤具有一定的甲烷氧化功能，土壤特性、环境条件影响甲烷氧化能力。
Taking the bio-compost as landfill cover can oxidize methane more effectively than traditional soil cover layer, and maybe a latent technology for landfill methane emission reduction.
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