He discovered that the in-season tomatoes had 86 times the iron of the greenhouse tomatoes. Apart from offering convenience, low cost and high nutritional value, consuming of locally grown produce also prevents energy being wasted to transport and chill it.
結果發現每 100 克當令蕃茄中，鐵質含量是非當令溫室栽培蕃茄的 86 倍。由此可見，社區消費不僅方便、便宜、營養價值高，還可省下進出口過程中所耗費的人力成本與冷凍、保鮮、運輸等資源。