His analysis of urban use of agricultural land has been proved essentially correct

　　他有關城市占用農業用地的分析已被證明大體上是正確的。

　　Good agricultural land is in short supply.

　　良田短缺。

　　Exceptionally dry weather over the past year had cut agricultural production

　　去年罕見的干旱天氣已導致農業減產。

　　There's a glut of agricultural products in Western Europe.

　　西歐的'農產品供過于求。

　　As agriculture developed, agricultural ideas diffused across Europe.

　　隨著農業的發展，農業知識開始在歐洲普及。