[問卦] 為什麼甘薯沒有贏過馬鈴薯?消失
兩者同屬多年生草本植物
經濟價值來看 甘薯應該是贏馬鈴薯
甘薯整棵植物都能吃
馬鈴薯卻相對麻煩 只有塊莖能吃 而且發芽會有毒
在同分量中甘薯的營養成分更是完勝馬鈴薯
在種植上甘薯更是方便 不怕病蟲害 只怕寒冷
馬鈴薯去是有許多要預防的病蟲害 而且種植在熱帶還會變種
怎麼看都是甘薯屌打馬鈴薯
為什麼甘薯卻沒有成有人類的主要糧食呢?
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※ 編輯: JETPOWER (123.195.102.70), 06/11/2017 19:58:35
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