soil algae

常见例句

The influence of the algae on available phosphorus in soil was significant.
结果表明，接种藻类对土壤中有效磷的含量有显著性的影响。
Orthogonal test table L9(34)is used for studying the effect of heavy metals-copper, nickel, lead and zinc at three different levels on the composition of algae in paddy soil.
为确定污水、污泥的农田施用标准，使用正交试验表L9（3~4）研究了4种重金属铜、镍、铅和锌在低、中、高3种浓度下对土壤藻类的数量和种类的影响。
Seen here 400 times their true size, diatoms are a type of algae found in oceans, fresh water, and soil.
大自然的图案：不可思议的地球。看到这里400倍镜下的它们的真实尺寸，硅藻类是海藻的一类发现在海洋，淡水，和土壤。
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That means more nutrients in the soil, where it feeds food crops, and less in lakes and streams, where it feeds algae that sucks up oxygen and kills fish.
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