weet potatoes can be planted twice a year, with good seasons. They can be harvested three times, with yields eight to nine times higher per mu than wheat!"And this thing, can be eaten raw directly, ca...轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！