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收获前土壤湿度过高对甘薯块根影响很大。尽管甘薯通常种植在沙性土壤里,但由于降水过多,相对不透水亚层使土壤水分处于饱和或近饱和状态下,甘薯块根可能处于缺氧条件下。这些受害块根在田间和贮藏期均会加速减重和腐烂。耐涝性不同的品种百年(耐
Soil moisture before harvest has a significant impact on sweet potato roots. Although sweet potatoes are usually grown in sandy soil, sweet potato roots may be anaerobically exposed to excessive precipitation and relatively impermeable sub-layers that saturate or saturate soil moisture. These damaged roots accelerate weight loss and decay during the field and during storage. Waterlogging a hundred years of different varieties (resistant