The problems in planting minor crops are low yield and negative effect on local ecological environment.

二是给当地的生态环境带来一定的负面影响，致使本来就十分脆弱的山区环境雪上加霜。

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The problems in planting minor crops are low yield and negative effect on local ecological environment.

二是给当地的生态环境带来一定的负面影响，致使本来就十分脆弱的山区环境雪上加霜。

youdao