The Cold Region and Black Glebe in northern China is one of the three black glebe resources in the world.

中国东北的寒地黑土是世界三大黑土资源之一。

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The Cold Region and Black Glebe in northern China is one of the three black glebe resources in the world.

中国东北的寒地黑土是世界三大黑土资源之一。

youdao