条件筛选
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Organic Is Everywhere in Yingde's Organic Black Tea Gardens
In the rolling tea gardens of Yingde, what catches the eye besides the sprinkler irrigation systems are the goose-yellow, square insect-catching boards, each about two palm-widths across, swaying in the wind. As the name suggests, insect-catching boards are used to trap insect pests. Don't underestimate these things - they are one of the most effective methods for growing organic tea and preventing insect pests.
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