Germinates the situation through the observation sweet potato stem section long root, the turning brown rotten situation determined maintains freshness the effect to the sweet potato stem section; Judges through the sense organ quality to the fruit juice
Germinates the situation through the observation sweet potato stem section long root, the turning brown rotten situation determined maintains freshness the effect to the sweet potato stem section; Judges through the sense organ quality to the fruit juice
通过观察甘薯茎段的长根发芽情况、褐变腐烂情况来确定对甘薯茎段的保鲜效果；通过感官品质来评判对果汁的保存效果。