科普專欄–薯不揀單 - 三十秒科學–咖啡果實紙漿

咖啡豆是從咖啡果實內提取其果核、再加上烘焙等功夫而成。542Please respect copyright.ＰＥＮＡＮＡrvkaYAamx5
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然而，其所剩餘的紙漿雖亦含有豐富的碳水化合物(35.8%)及蛋白質(10.8%)，但一直並未有所充分地妥善利用。542Please respect copyright.ＰＥＮＡＮＡVG1YHBWh3F
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(圖2)有研究找來兩片鄰近土地，在其中一土地上直接鋪上半米厚的咖啡紙漿，從而探討充滿營養價值的咖啡紙漿對大自然草地的影響。542Please respect copyright.ＰＥＮＡＮＡkgYM4s9UCc
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(圖3)兩年後，鋪了咖啡紙漿的土地明顯長滿多達五種品種的樹木，而對照組別則只是雜草橫生。542Please respect copyright.ＰＥＮＡＮＡ0q2MXKHUMm
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這相信是鋪上咖啡紙漿後，原先的表面雜草因窒息而死，且咖啡紙漿被推斷有著防止雜草萌芽的可能性，因此提供了附近森林種子抵達及生長的機遇。542Please respect copyright.ＰＥＮＡＮＡq5cNObTjYO
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(圖4)量度兩片土地的營養含量，咖啡紙漿土地的碳氮磷等物質均比對照土地為多。542Please respect copyright.ＰＥＮＡＮＡXgdJ77QjGv
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Ref1:https://besjournals.onlinelibrary.wiley.com/doi/full/10.1002/2688-8319.12054542Please respect copyright.ＰＥＮＡＮＡvpW0MHpnUF