natural meadow meaning in English

天然草地
自然草地

There was a small natural meadow there, through which flowed a stream .
那里有一小片天然草坪，一道溪水流贯其中。
Mechanize technology and related machines of make up for sow and mend on the natural meadow
天然草地机械化补播改良技术及配套机具
Denitrification in the degraded meadow soil is higher than that in the natural meadow soil
高寒草甸土壤中溶有机磷细菌的数量高于溶无机磷细菌的数量。