Mulching Effect on Quantitative and Qualitative Characteristics of Yield in Sweet Potatoes

Sweet potatoes have multiple uses as food, feed, and in industrial production. They are characterized by their need for high temperatures optimal development. This study aimed to analyze the quantitative qualitative aspects of growing sweet potato cultivars southwest Romania using mulching non-mulching systems. The effects on production tuberous roots contents total soluble substance, vitamin C, starch, polyphenols, antioxidant activity (DPPH) were evaluated three with white pulp (the ‘Pumpkin’ ‘Chestnut’ cultivars) orange ‘Italian’ cultivar). It was found that polyethylene film improved potatoes, amounting 41.42 t/ha case cultivar. Moreover, effect mulch induced increases substance (16.40%) starch (16.01%) cultivar, C (9.23 mg/100 g d.w.) (2716.55 µmol AsA/g (1131.31 d.w.), while polyphenols cultivar decreased.